{"title":"Subaru Forester 2003-2005 Engine Parts","description":"","products":[{"product_id":"acl-race-series-main-bearings","title":"ACL Race Series Main Bearing set - Rear Thrust - Position 5","description":"\u003cp\u003eIn the ACL Race Series, the unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.\u003cbr\u003e\nDesigned to withstand higher RPM conditions, ACL Race Series Engine Bearings are extremely well respected amongst Subaru Engine builders.\u003c\/p\u003e\n\n\u003cp\u003eHigh strength overlay plate with reduced thickness for improved fatigue properties\u003c\/p\u003e\n\n\u003cp\u003eHardened steel backs on all rod bearings to improve the support of the bearing and assist with bearing retention in the housing\u003c\/p\u003e\n\n\u003cp\u003eIncreased crush for improved bearing retention\u003c\/p\u003e\n\n\u003cp\u003eElimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximise the grip between bearings and its housing\u003c\/p\u003e\n\n\u003cp\u003eIncreased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films\u003c\/p\u003e\n\n\u003cp\u003e3\/4 grooved Main Bearings to optimise load carrying surface area and oil flow to the conrod bearings\u003c\/p\u003e\n\n\u003cp\u003eTight consistant wall toleranced to help maintain consistant clearances\u003c\/p\u003e\n\n\u003cp\u003eEnlarged ID chamfers on bearing edges where required to accomodate large fillet radius on performance crankshafts\u003c\/p\u003e\n","brand":"ACL Race Bearings","offers":[{"title":"ACL Race Series Main Bearing set - Rear Thrust - Standard Size","offer_id":40524049711278,"sku":"RCM1074","price":103.19,"currency_code":"GBP","in_stock":true},{"title":"ACL Race Series Main Bearing set - Rear Thrust - 0.25mm Oversize","offer_id":40524049678510,"sku":"RCM1286","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"ACL Race Series Main Bearing set - Rear Thrust - 0.50mm Oversize","offer_id":42260057882798,"sku":"RCM2462","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/b111f056e9.jpg?v=1645726078"},{"product_id":"acl-race-series-big-end-bearings","title":"ACL Race Series Big End Bearing Set","description":"\u003cp\u003eIn the ACL Race Series, the unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to withstand higher RPM conditions, ACL Race Series Engine Bearings are extremely well respected amongst Subaru Engine builders.\u003c\/p\u003e\n\n\u003cp\u003eHigh strength overlay plate with reduced thickness for improved fatigue properties\u003c\/p\u003e\n\n\u003cp\u003eHardened steel backs on all rod bearings to improve the support of the bearing and assist with bearing retention in the housing\u003c\/p\u003e\n\n\u003cp\u003eIncreased crush for improved bearing retention\u003c\/p\u003e\n\n\u003cp\u003eElimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximise the grip between bearings and its housing\u003c\/p\u003e\n\n\u003cp\u003eIncreased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films\u003c\/p\u003e\n\n\u003cp\u003eTight consistant wall toleranced to help maintain consistant clearances\u003c\/p\u003e\n\n\u003cp\u003eEnlarged ID chamfers on bearing edges where required to accomodate large fillet radius on performance crankshafts\u003c\/p\u003e\n","brand":"ACL Race Bearings","offers":[{"title":"ACL Race Series Big End Bearing Set - Standard Size","offer_id":42260107002030,"sku":"RCM1075","price":76.79,"currency_code":"GBP","in_stock":true},{"title":"ACL Race Series Big End Bearing Set - Oversize 0.25mm","offer_id":42260101169326,"sku":"RCM1287","price":89.99,"currency_code":"GBP","in_stock":true},{"title":"ACL Race Series Big End Bearing Set - Oversize 0.50mm","offer_id":42260107034798,"sku":"RCM2382","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/3db643ce4f.jpg?v=1625661951"},{"product_id":"cosworth-heavy-duty-kevlar-timing-belt-ej202225","title":"Cosworth Heavy Duty Kevlar Timing Belt EJ20\/22\/25","description":"\u003cp\u003eA heavy duty Cosworth Timing Belt.  Manufactured from Kevlar, this high performance belt is 300% stronger than OE belts, perfect for high power applications.  High saturation HNBR elastomeric composites ensure durability and heat resistance, the durable nylon fibres provide extra wear resistance and tooth strength, whilst the Kevlar backing improves overall strength.\u003c\/p\u003e\n","brand":"Cosworth","offers":[{"title":"Default Title","offer_id":40524069601454,"sku":"SENCO17","price":223.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/7b69207f24.jpg?v=1645728390"},{"product_id":"aftermarket-timing-belt-ej202225","title":"Subaru Dayco Aftermarket Timing Belt EJ20\/22\/25","description":"\u003cp\u003eA high quality aftermarket timing belt from Dayco.\u003c\/p\u003e\n\u003cp\u003eOne of our best selling after market products, this is a popular choice for customers who want to maintain their Subaru with high quality aftermarket components on a budget.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":40524073369774,"sku":"SSE23","price":47.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/94621.jpg?v=1646755124"},{"product_id":"hks-heavy-duty-kevlar-timing-belt-ej202225","title":"Subaru HKS Heavy Duty Kevlar Timing Belt EJ20\/22\/25","description":"\u003cp\u003eHKS has a fantastic reputation within the tuning industry with nearly 50 years of valuable experience in this sector. This timing belt is testament to the companies incredibly high standards.\u003c\/p\u003e\n\u003cp\u003eThe \"FineTune\" belt has been designed with nothing but performance in mind.\u003c\/p\u003e\n\u003cp\u003eFeaturing an improved tooth design enabling better seating into the cam gears, the belt has been manufactured with high saturations of HNDB for added strength, heat resistance, and load strength, yet with less stretch and warp tendencies.\u003c\/p\u003e\n\u003cp\u003eA real asset to any high powered engine build!\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":40524099977390,"sku":"SPE948","price":234.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/24999-af001-2412516.jpg?v=1646832784"},{"product_id":"iag-stage-3-ej25-closed-deck-block","title":"IAG Stage 3 EJ25 Closed Deck Block","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eIAG's Stage 3 Closed Deck converted case halves were created to be the most affordable, cost-effective short block modification for the Subaru EJ25 turbo engines. The deck surface is machined to accept specially CNC’d cast inserts that strengthen the weakest point of the OEM case at the upper sleeve. IAG’s Stage 3 Closed Deck is suitable for street or race use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is a Closed Deck Block and why do I need it?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe factory Subaru EJ25 case is referred to as a semi-open (or semi-closed) deck. The block is essentially an open deck with 3 narrow supports tying in the main case to the tops of the sleeves. This feature was a slight improvement over the EJ20 case, which was a completely open deck with no support. The purpose of the deck supports is to keep the sleeve from moving. While conceptually this is an improvement, the reality is that it simply isn’t enough for a high horsepower Subaru. The weakest point of the sleeve is still left open and unaddressed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is unique about IAG’s Closed Deck process?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur machining process converts the semi-open deck to a complete closed deck and features the use of cast insert material that closely matches the metallurgy of the aluminum case material in a factory Subaru EJ engine block. By using a similar cast material (rather than billet), we ensure that during expansion and contraction the materials grow and shrink at similar rates, which is vital for maintaining roundness within the top of the bore. The outer inserts are machined from ¾” cast material and the inner inserts from 1-inch cast material. Once the deck is surfaced, the result is a true ½ inch finished outer insert thickness and true ¾ inch finished inner insert thickness.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is IAG’s Closed Deck Process?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe IAG Closed Deck conversion is performed 100% in-house by our engineers and experts using state-of-the-art equipment. The IAG Closed Deck starts with a new OEM EJ25 bare case. The case is loaded and fixtured to a 4th axis rotary indexer in our 2015 Haas VF4-SS CNC Vertical Machining Center. It is supported from the main journals using a precision ground 2-inch bar and tailstock which ensures the datum is the main journals. This method gives us a true reference point to perform all machining operations. A Rennishaw probe is utilized to check that the case is fixtured true and once confirmed the machining process begins.\u003c\/p\u003e\n\n\u003cp\u003eOnce the case is fixtured, the first step is to mill out 12 pockets for CNC inserts. Rather than attempting to install inserts into an inconsistent cast case, the pockets are milled out to exact dimensions creating a consistent area that accepts our precision inserts. Once the pockets are machined, the case is removed from the mill and placed into a block oven at a low temperature. Our pre-machined closed-deck inserts are simultaneously chilled using dry ice. When the case and inserts have reached our desired temperature, they are moved into our install station, which holds the block and lightly presses the inserts into position on one side of the deck surface. This process is repeated on the other side and then the partially completed case is moved to a cooling rack. In the next step of our process, the case is loaded and fixtured back into the VF-4SS after reaching room temperature. During this stage, the flanges left from machining the inserts are milled close to the case deck surface. Features such as coolant passages and case bolt access positions are machined. Finally, each deck surface is machined true and flat using a Poly Crystal Diamond insert.\u003c\/p\u003e\n\n\u003cp\u003eWhats included:\u003c\/p\u003e\n\n\u003cp\u003e(x1) IAG's Stage 3 Closed Deck Converted Case Halves (Using brand new EJ25 Case \/ Stock Bore 99.5mm) *Bore and hone additional and required before final assembly\u003c\/p\u003e\n\n\u003cp\u003ePlease Note: Overbore must be performed (99.75mm is the preferred bore) before assembly!\u003c\/p\u003e\n\n\u003cp\u003e*Attention: Special note about using ARP Case Bolts - IAG recommends line honing the case when using ARP Case Bolts to remove any distortion created by the hardware. IAG installs ARP CASE BOLTS with 30W engine oil using OEM SUBARU torque specs and procedures. Other torque specs and lubricants may lead to case distortion damage.\u003c\/p\u003e\n","brand":"IAG","offers":[{"title":"Default Title","offer_id":40524101025966,"sku":"RCM2996","price":2999.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/e813e3ab9b.jpg?v=1625662361"},{"product_id":"rcm-extreme-11mm-cylinder-head-stud-kit","title":"RCM Extreme 11mm Cylinder Head Stud Kit","description":"\u003cp\u003eThe RCM1540 Extreme 11mm Head Stud kit is an absolute must for your performance build.\u003c\/p\u003e\n\u003cp\u003eManufactured from Aircraft Grade S99 Steel, and with a tensile strength in excess of 237,000 Psi (1640MPa), our 11mm kit reduces head movement under boost, and provides optimum head to block clamping, ably dealing with the higher combustion pressures associated with a modified performance engine.\u003c\/p\u003e\n\u003cp\u003eThis kit is a direct fit into the standard block assembly with no modifications required.\u003c\/p\u003e\n\u003cp\u003eAll kits are supplied with RCM's own assembly lube, which utilizes Graphite DJ technology, ensuring you are able to install to the correct torque figures accurately.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524159090862,"sku":"RCM1540","price":629.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/611ae844d6.jpg?v=1647371503"},{"product_id":"rcm-1414mm-cylinder-head-stud-kit","title":"RCM 14\/14mm Cylinder Head Stud Kit","description":"\u003cp\u003eDesigned for the ultimate in engine performance and reliability and derived from the rigors of the World Rally Championship, RCM’s 14mm\/14mm Head Stud Kit has consistently proven itself as a must have component of any EJ20\/22\/25 engine build where 500bhp+ power output is expected.\u003c\/p\u003e\n\u003cp\u003eIt is essential engines modified to this level have the most reliable system for clamping the cylinder heads onto the block assembly to avoid the heads lifting under load at high levels of boost pressure. The RCM 14\/14mm Head Stud kit provides this peace of mind!\u003c\/p\u003e\n\u003cp\u003eNow used in many of the fastest and most powerful Imprezas across the globe the RCM 14\/14mm Head Stud Kit is quite simply the foundation on which all our high bhp engine conversions (including Gobstopper 1, 2 \u0026amp; 3) race engines are built around.\u003c\/p\u003e\n\u003cp\u003eReplacing the conventional 11mm Subaru cylinder head bolts with a series of 14mm precisely manufactured super high tensile, aircraft grade S99 steel stud and nut system offers many advantages when building your engine. With a tensile strength much higher than that of the OE bolts and the increased stability provided by the RCM studs larger diameter when further combined with the more uniform clamping force provided by the stud and nut arrangement it is clear why so many championship winning engines run these kits!\u003c\/p\u003e\n\u003cp\u003eAll kits are supplied with RCM's own assembly lube, which utilizes Graphite DJ technology, ensuring you are able to install to the correct torque figures accurately.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524164104366,"sku":"RCM593","price":419.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/9ee953a1d0.jpg?v=1647372014"},{"product_id":"rcm-1412mm-cylinder-head-stud-kit","title":"RCM 14\/12mm Cylinder Head Stud Kit","description":"\u003cp\u003eDesigned for the ultimate in engine performance and reliability and derived from the rigors of the World Rally Championship, RCM’s 14mm\/12mm Head Stud Kit has consistently proven itself as a must have component of any EJ20\/22\/25 engine build where 450bhp+ power output is expected.\u003c\/p\u003e\n\u003cp\u003eIt is essential engines modified to this level have the most reliable system for clamping the cylinder heads onto the block assembly to avoid the heads lifting under load at high levels of boost pressure. The RCM 14\/12mm Head Stud kit provides this peace of mind and cuts out the expense of cylinder head modification when compared to the WRC 14\/14mm head stud kit.\u003c\/p\u003e\n\u003cp\u003eNow used in many of the fastest and most powerful Impreza's across the globe the RCM 14\/12mm Head Stud Kit is quite simply the foundation on which many of our high bhp engine conversions are built around. Replacing the conventional 11mm Subaru cylinder head bolts with a series of 14\/12mm precisely manufactured super high tensile, aircraft grade S99 steel stud and nut system offers many advantages when building your engine.\u003c\/p\u003e\n\u003cp\u003eWith a tensile strength much higher than that of the OE bolts and the increased stability provided by the RCM studs larger diameter when further combined with the more uniform clamping force provided by the stud and nut arrangement it is clear why so many successful engines run these kits!\u003c\/p\u003e\n\u003cp\u003eAll kits are supplied with RCM's own assembly lube, which utilizes Graphite DJ technology, ensuring you are able to install to the correct torque figures accurately.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524166430894,"sku":"RCM157","price":419.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/157b8076de.jpg?v=1645816576"},{"product_id":"rcm-high-performance-11mm-cylinder-head-stud-kit","title":"RCM High Performance 11mm Cylinder Head Stud Kit","description":"\u003cp\u003eThe RCM 11mm Performance Head Stud Kit is the perfect addition to any high performance engine build.\u003c\/p\u003e\n\u003cp\u003eManufactured from S99 Steel with a certified minimum yield strength of 1080 MPa our new Performance Studs offer a substantially greater force on your cylinder head gaskets when compared to the O.E cylinder head bolts. With a greater pressure placed on your cylinder heads (and in turn your cylinder head gaskets) this greatly reduces the chance of head movement under boost, keeping your precious head gaskets stable and allowing them to continue providing an effective seal from cylinder chambers, oil and waterways.\u003c\/p\u003e\n\u003cp\u003eAll kits are supplied with RCM's own assembly lube, ARP nuts and washers and our custom formulated build lube which utilizes Graphite DJ technology, ensuring you are able to install to the correct torque figures accurately.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524168265902,"sku":"RCM1635","price":359.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/98b556a1a8.jpg?v=1645832260"},{"product_id":"rcm-ej22-multi-layer-high-performance-cylinder-head-gasket","title":"RCM EJ22 Multi Layer High Performance Cylinder Head Gasket","description":"\u003cp\u003eEngineered to perform under the most extreme of conditions our cylinder head gaskets are rated for use up to and over 800BHP.\u003c\/p\u003e\n\u003cp\u003eUnlike most conventional cylinder head gaskets, our gaskets use what is most commonly known as a “folded stopper level”. This revolutionary design dramatically reduces the chances of any pressure leakage from the cylinders. An increased thickness in the gasket is introduced around vital sealing areas and the design of this extra layer forms a much stronger barrier to prevent gasses \/ pressure \/ water and oil escaping from its designated area. The layer acts as a very reliable defence and is highly recommended for any Subaru, specifically those running above the standard factory torque \/ horsepower figures.\u003c\/p\u003e\n\u003cp\u003eIn conjunction with this new technology our gaskets also feature a unique nitrile rubber coating. This coating is designed to act as a cushion in which to fill \/ take up any areas of imperfection found in either the cylinder head or block faces, to ensure you have the very best combustion chamber armour!\u003c\/p\u003e\n\u003cp\u003eFinally our cylinder head gaskets are all stamped from dies as appose to laser cut. With die stamping you can process a large amount of material at once which means that variations in the quality of each individual gasket is far less compared to laser cutting (in which each gasket section is cut separately to one another). With Die Cutting the finished edges are also far superior, leaving a much smoother, neater edge to the gasket as appose to laser cut steel which leaves a sharper edge behind.\u003c\/p\u003e\n\u003cp\u003eFor the ultimate seal all our gaskets are manufactured and designed to accept the larger 12mm and 14mm cylinder head studs also available from our online store. The standard cylinder head bolt (the component that joins the cylinder head to the block and offers force to seal your cylinder head gasket in place) is 11mm thick and uses a relatively fine thread. It is important to remember this bolt was developed for use on a mainstream engine producing no more than 320Bhp, Subaru did not manufacture this bolt for use with anything above this power and as such it is important to consider stronger and more suitable replacements. Here at RCM we manufacture both a 12mm and 14mm replacement head stud and nut kits. The studs are naturally stronger due to their extra thickness and superior material quality but they also benefit from a much coarser rolled thread (meaning you can tighten them far more than the standard bolt which in turn will offer a much higher clamping load between both the cylinder head and block faces where you head gasket is situated.)\u003c\/p\u003e\n\u003cp\u003eReliability is key to any engine rebuild, whether done for higher horsepower applications or just a simple repair \/ refresh its important to choose your components wisely so that you don’t end up repeating the process later down the line.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGaskets are priced individually. You will need to purchase x2 gaskets for a Subaru engine build.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"0.78mm \/ x1 Gasket","offer_id":40524172787886,"sku":"RCM1686","price":105.59,"currency_code":"GBP","in_stock":true},{"title":"0.78mm \/ x2 Gaskets","offer_id":43060835680430,"sku":"RCM1686-2","price":211.18,"currency_code":"GBP","in_stock":true},{"title":"1.1mm \/ x1 Gasket","offer_id":40524172886190,"sku":"RCM1687","price":105.59,"currency_code":"GBP","in_stock":true},{"title":"1.1mm \/ x2 Gaskets","offer_id":43060835713198,"sku":"RCM1687-2","price":211.18,"currency_code":"GBP","in_stock":true},{"title":"1.5mm \/ x1 Gasket","offer_id":40524172951726,"sku":"RCM1688","price":105.59,"currency_code":"GBP","in_stock":true},{"title":"1.5mm \/ x2 Gaskets","offer_id":43060835745966,"sku":"RCM1688-2","price":211.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/7eb354118e.jpg?v=1625662753"},{"product_id":"rcm-oil-sump-pan-baffle-plate","title":"RCM Oil Sump Pan Baffle Plate","description":"\u003cp\u003eOil control is a problem which can effect the Subaru's \"Flat Four Boxer\" engine design more than most due to its high crank case pressure and horizontal engine design.\u003c\/p\u003e\n\u003cp\u003eWhen cornering at high speed the design of the Subaru engine means that oil can work its way out of the sump oil pan and flow across to the cylinder head castings, leaving a lower volume of oil behind surrounding the oil pick up pipe.\u003c\/p\u003e\n\u003cp\u003eThe job of the oil pick up pipe is to suck oil up out of the oil sump pan and distribute it around your engines oil galleries (ensuring precious moving engine components are kept lubricated and cool at all times). If oil is not available to the pick up pipe then naturally many areas of the engine do not receive the precious lifeblood they need to survive, temperatures rise, metals expand and ultimately components fail.\u003c\/p\u003e\n\u003cp\u003eThe idea of a baffle plate is to put a \"lid\" on the container holding the engines oil, ensuring that if the momentum of the vehicle is thrown to one side the oil still remains in its designated area.\u003c\/p\u003e\n\u003cp\u003eIf we look at the baffle plate in detail you will notice the rubber flaps or \"diverters\" located all over the base. These flaps only open one way, to allow engine oil into the sump. When cornering hard the oil finds it much harder to flow out of the sump as its usual escape hatches are now closed or deleted completely, hence why a sump baffle plate is a must for those driving fast road, track days, rallying, or sprint events.\u003c\/p\u003e\n\u003cp\u003eFor the ultimate protection we also highly recommend our baffled sumps which can be used in conjunction with the baffle plate for complete peace of mind and the ultimate oil control before a dry sump system.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524176064686,"sku":"RCM2428","price":155.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/2a158f008f.jpg?v=1647373692"},{"product_id":"rcm-parallel-billet-fuel-rail-pair-uk-usdm-euro-spec-models","title":"RCM Parallel Billet Fuel Rail Pair (UK, USDM \u0026 Euro spec models)","description":"\u003cp\u003eRCM Billet Fuel Rails are the perfect addition to any performance engine project.\u003c\/p\u003e\n\u003cp\u003eOur billet rails are designed and manufactured to cater for OEM top feed injectors where the need for improved fuel feed and routing is paramount. If you need increased fuel supply with larger performance injectors then purchase RCM3366.\u003c\/p\u003e\n\u003cp\u003eManufactured from T6061 Aluminium Extrusion and finished in Military Grade Black Anodizing, each rail is supplied with stainless steel -6 shouldered male fittings ready to connect to your braided fuel lines.\u003c\/p\u003e\n\u003cp\u003eAlso supplied within the kit are all necessary mounting brackets, stainless steel hex screws and rubber O-rings to enable a complete and thorough installation.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524177473710,"sku":"RCM1240","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/ea01076eb7.jpg?v=1647430322"},{"product_id":"rcm-billet-aluminium-oil-separator-cover-kit","title":"RCM Black Billet Aluminium Oil Separator Cover Kit","description":"\u003cp\u003eOur Billet Oil Seperator Cover is the perfect addition to any engine build to guard against future oil leaks.\u003c\/p\u003e\n\n\u003cp\u003eThroughout the years Subaru produced oil separator covers using a variety of materials such as: cast aluminium, plastic and pressed steel. Many of the later designs were manufactured purely as a cost saving exercise and as such later resulted in costly oil leaks which could be spotted making their way out from between the engine block and gearbox bell housing. In extreme cases the escaping oil could be caught up on the clutch plate, resulting in not only a gearbox removal for the repair of the leak, but also a new clutch kit (perhaps long before it would be due).\u003c\/p\u003e\n\n\u003cp\u003eMost of us would only like to build an engine once, that's why its important to consider all the common faults and potential areas of weakness, putting an stop to any before they arise. With this in mind we designed our own separator cover. Based around the genuine part (but with a greater material thickness and improved design) we can safely ensure that provided adequate sealer and the correct torque has been applied, leaks from the rear oil cover can be eliminated for good.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524186419374,"sku":"RCM2294","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/5ccd3f9739.jpg?v=1645815702"},{"product_id":"rcm-10mm-modified-oil-pump","title":"RCM 10mm Modified Oil Pump","description":"\u003cp\u003eAt the heart of all Roger Clark Motorsport engine builds is the now world renowned RCM Modified oil pump.\u003c\/p\u003e\n\u003cp\u003eThis clever, effective modification has been designed to assist the Impreza with its oil supply issues and is now regarded as a \"must have\" modification with any Impreza engine build. Each pump is carefully checked, given a serial number and then modified to incorporate a different pressure relief valve ensuring greater reliability and peace of mind to your Impreza engine.\u003c\/p\u003e\n\u003cp\u003ePlease note that flow rate remains unchanged.\u003cbr\u003e \u003cbr\u003e Our oil pumps are supplied with a replacement front crank oil seal and oil gallery, black sealing o-ring. It is also recommended that you use 3 bond sealer (SGA35) to seal the oil pump to the block assembly.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524187336878,"sku":"SEN13","price":227.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/OILPUMPNEWSHOT.jpg?v=1647959570"},{"product_id":"rcm-11mm-modified-oil-pump","title":"RCM 11mm Modified Oil Pump","description":"\u003cp\u003eAt the heart of all Roger Clark Motorsport engine builds is the now world renowned RCM Modified oil pump.\u003c\/p\u003e\n\u003cp\u003eThis clever, effective modification has been designed to assist the Impreza with its oil supply issues and is now regarded as a \"must have\" modification with any Impreza engine build. Each pump is carefully checked, given a serial number and then modified to incorporate a different pressure relief valve ensuring greater reliability and peace of mind to your Impreza engine.\u003c\/p\u003e\n\u003cp\u003eThis variant of oil pump is fitted with the larger 11mm Rotor meaning a higher oil pressure is produced, perfect for modified engines where components require superior lubrication.\u003c\/p\u003e\n\u003cp\u003eAlso included with our modified oil pump is the front crank oil seal, rear gallery oil seal and X7 bolts for securing the pump to the engine block.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524189106350,"sku":"SEN1065","price":275.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/OILPUMPNEWSHOT_ec15ee22-5a83-4bb6-a50b-1d29a52c0dc2.jpg?v=1647960007"},{"product_id":"rcm-12mm-modified-oil-pump","title":"RCM 12mm Modified Oil Pump","description":"\u003cp\u003eAt the heart of all Roger Clark Motorsport engineÔøΩs is the now world renowned RCMS Modified oil pump.\u003c\/p\u003e\n\n\u003cp\u003eThis clever, effective modification has been designed to assist the Impreza with itÔøΩs oil supply and is now regarded as a must have modification with any Impreza engine build. Each pump is carefully checked, given a serial number and then modified to incorporate a different pressure relief valve ensuring greater reliability and peace of mind to your Impreza engine.\u003c\/p\u003e\n\n\u003cp\u003eThis variant of oil pump is fitted with the larger 12mm Rotor meaning a higher oil pressure is produced, perfect for modified engines where components require superior lubrication.\u003c\/p\u003e\n\n\u003cp\u003eAlso included with our modified oil pump is the front crank oil seal, rear gallery oil seal and X7 bolts for securing the pump to the engine block\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524190744750,"sku":"SEN1066","price":342.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/OILPUMPNEWSHOT_a9031af4-5def-4351-9203-f7f7bd77698e.jpg?v=1647959909"},{"product_id":"rcm-billet-timing-belt-guide","title":"RCM Billet Timing Belt Guide","description":"\u003cp\u003eThe RCM Billet Timing belt guide has been precision crafted using advanced CNC machining methods for the perfect fitment.\u003c\/p\u003e\n\u003cp\u003eDesigned to reduce the chance of the timing belt skipping a tooth at high rpm this simple part made from billet aluminium directly replaces the standard sheet metal part.\u003c\/p\u003e\n\u003cp\u003eMilitary spec hard anodised finish and laser etched with the RCM logo for a final seal of quality, the RCM Billet timing belt guide is supplied with an easy to follow installation guide and all required fittings for a comprehensive and hassle free install\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524191596718,"sku":"RCM1203","price":47.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/RCM1203New2.jpg?v=1653043889"},{"product_id":"rcm-fuel-pressure-regulator","title":"RCM Fuel Pressure Regulator","description":"\u003ch3 data-start=\"197\" data-end=\"247\"\u003eRCM Performance Fuel Pressure Regulators\u003c\/h3\u003e\n\u003cp data-start=\"248\" data-end=\"307\"\u003eEngineered for Subaru performance. Built for total control.\u003c\/p\u003e\n\u003cp data-start=\"309\" data-end=\"671\"\u003eBring absolute precision and reliability to your Subaru tuning setup with the latest generation of RCM Performance Fuel Pressure Regulators. Designed specifically to meet the demands of high-performance Subaru engines, these regulators deliver maximum fuel control with virtually zero flow restriction, supporting builds up to, and beyond – 1500 HP.\u003c\/p\u003e\n\u003cp data-start=\"673\" data-end=\"1015\"\u003eDeveloped using Advanced Bypass Technology and an Enlarged Port Design, RCM regulators ensure exceptionally accurate fuel pressure management across the entire operating range. The result? Your fuel pump works more efficiently, draws less current, delivers more volume, and never suffers from pressure creep, even under extreme load.\u003c\/p\u003e\n\u003cp data-start=\"1017\" data-end=\"1330\"\u003eEvery regulator is laboratory tested for consistency and reliability, and is fully compatible with both gasoline and methanol fuels. Each unit features a premium fluorosilicone diaphragm for extended durability and outstanding high-temperature performance critical for demanding Subaru applications.\u003c\/p\u003e\n\u003cp data-start=\"1332\" data-end=\"1569\"\u003ePrecision-machined from 6061-T651 aircraft-grade aluminium alloy and finished with a rugged MIL-A-8625 Type II black anodised coating, RCM Fuel Pressure Regulators embody the quality and craftsmanship expected from the RCM brand.\u003c\/p\u003e\n\u003cp data-start=\"1571\" data-end=\"1718\"\u003eBuilt for tuners who demand total flexibility, uncompromising reliability, and the highest standards in Subaru performance engineering.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"RCM Fuel Pressure Regulator","offer_id":44403823411374,"sku":"RCM1517","price":203.99,"currency_code":"GBP","in_stock":true},{"title":"RCM Fuel Pressure Regulator \u0026 Pressure Gauge","offer_id":44403823444142,"sku":"RCM1517-3173","price":227.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/62f1f946bd.jpg?v=1625662969"},{"product_id":"rcm-billet-oil-filler-cap","title":"RCM Black Billet Oil Filler Cap","description":"\u003cp\u003eNow available exclusively from RCM is the Roger Clark Motorsport oil filler cap.\u003cbr\u003e \u003cbr\u003e Manufactured from aluminium using high precision CNC techniques this detailed, quality oil filler cap gives your engine the Roger Clark Motorsport identity.\u003cbr\u003e \u003cbr\u003eFinished in military anodised black, this oil filler cap utilizes the standard O ring seal.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524225872046,"sku":"RCM1498","price":71.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/6c3849a3a4.jpg?v=1625663208"},{"product_id":"rcm-parallel-fuel-rail-kit-standard-fuel-regulator-spec-c-models","title":"RCM Parallel Fuel Rail Kit \/ Standard Fuel Regulator (Spec-C Models)","description":"\u003cp\u003eParallel fuel lines are a great addition to any engine, not only do they provide a more consistent volume of fuel to your injectors but they also yield key safety benefits.\u003c\/p\u003e\n\n\u003cp\u003eWith Subaru's standard fuel system design, fuel is fed by a pump from the tank to the front of your car passing through the fuel filter (located in the engine bay) before being fed into the fuel rails. Fuel is then delivered to each cylinder one by one, starting with cylinder four.The fuel pressure regulator (situated at the end of your fuel rails) acts like a flood gate, backing up the fuel pressure to ensure a good supply is available for each cylinder. \u003c\/p\u003e\n\n\u003cp\u003eExperience and logic tells us that a far more efficient way of fueling the engine would be to supply each cylinder with its own equal amount of fuel, ensuring no cylinder is left \"thirsty\" compared to the rest. This is where a Parallel Fuel Rail design is a far more effective, safe and regulated way of fueling your engine.\u003c\/p\u003e\n\n\u003cp\u003eWith RCM's Parallel Fuel Rail Kits fuel exits the fuel filter and is then passed through a Y-piece separator which directs fuel to each rail at the same time. Not only does this solve the problem of one cylinder running lean but it also enables the system to hold more fuel in reserve (thanks to the increased diameter fuel rails and lines).  \u003c\/p\u003e\n\n\u003cp\u003eThis particular kit is designed for use with a un-modified vehicle where maintaining engine safety is the primary goal. Supplied with a conversion bracket to connect your standard fuel pressure regulator the car does not require any form of mapping or manual tuning after installation.\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is modified to increase power then we suggest our Parallel Fuel Rail Kit with our Performance Fuel Regulator which will allow complete control over fuel pressures where a greater volume of fuel will be required. \u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524227805358,"sku":"RCM1501","price":594.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/5f5a2a5ff0.jpg?v=1647949496"},{"product_id":"rcm-omega-piston-set-21-stroker-ej20","title":"RCM \/ Omega Piston Set - 2.1 Stroker EJ20","description":"\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eSo why forged?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAfter discussions with the technical people at Omega and other metallurgists we are convinced that the companies who are promoting fully machined pistons cannot offer forgings, it is much easier and cheaper to buy a machine with 3D capabilities than it is to buy and set up a forging plant, then there is the experience and skill required to create the perfect forging, it isn't easy, and certainly isn’t cheap but it provides the very best components available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eOmega’s attention to detail?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eProven Performance!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eGobstopper I, II \u0026amp; III have always used Omega pistons. With both cars developing over 900bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"92.00mm STD Size","offer_id":40524260573358,"sku":"RCM2375","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.25mm Oversize","offer_id":40524260606126,"sku":"RCM2367","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.50mm Oversize","offer_id":40524260638894,"sku":"RCM2368","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"93.00mm Oversize","offer_id":43299966288046,"sku":"RCM2547","price":779.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/ac6c345b9d.jpg?v=1647955182"},{"product_id":"rcm-omega-piston-set-high-compression-5cc-ej20","title":"RCM \/ Omega Piston Set - High Compression 5cc EJ20","description":"\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eSo why forged?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAfter discussions with the technical people at Omega and other metallurgists we are convinced that the companies who are promoting fully machined pistons cannot offer forgings, it is much easier and cheaper to buy a machine with 3D capabilities than it is to buy and set up a forging plant, then there is the experience and skill required to create the perfect forging, it isn't easy, and certainly isn’t cheap but it provides the very best components available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eOmega’s attention to detail?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eProven Performance!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eGobstopper I, II \u0026amp; III have always used Omega pistons. With both cars developing over 900bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"92.00mm STD Bore","offer_id":40524272107694,"sku":"RCM2235","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.25mm Oversize","offer_id":40524272140462,"sku":"RCM2236","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.50mm Oversize","offer_id":40524272173230,"sku":"RCM2237","price":779.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/bfd6aeb679.jpg?v=1647956747"},{"product_id":"rcm-omega-piston-set-high-compression-10cc-ej20","title":"RCM \/ Omega Piston Set -  High Compression 10cc EJ20","description":"\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eSo why forged?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAfter discussions with the technical people at Omega and other metallurgists we are convinced that the companies who are promoting fully machined pistons cannot offer forgings, it is much easier and cheaper to buy a machine with 3D capabilities than it is to buy and set up a forging plant, then there is the experience and skill required to create the perfect forging, it isn't easy, and certainly isn’t cheap but it provides the very best components available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eOmega’s attention to detail?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eProven Performance!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm 0cm 12.0pt 0cm;\" data-mce-fragment=\"1\" data-mce-style=\"margin: 0cm 0cm 12.0pt 0cm;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\" data-mce-fragment=\"1\" data-mce-style=\"font-size: 10.5pt; font-family: 'Segoe UI',sans-serif; color: #212b36;\"\u003eGobstopper I, II \u0026amp; III have always used Omega pistons. With both cars developing over 900bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"92.00mm STD Bore","offer_id":40524274237614,"sku":"RCM2238","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.25mm Oversize","offer_id":40524274270382,"sku":"RCM2239","price":779.99,"currency_code":"GBP","in_stock":true},{"title":"92.50mm Oversize","offer_id":40524274303150,"sku":"RCM2240","price":779.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/df7263cff8.jpg?v=1647957394"},{"product_id":"rcm-arrow-h-section-con-rod-set","title":"RCM \/ Arrow H-Section Con Rod Set","description":"\u003cp\u003eIf you are looking for strong, balanced, lightweight and reliable components to take your engine upto 600bhp then look no further than the RCM Connecting Rod produced by Arrow Precision.\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\n\u003cp\u003eEach con rod set is supplied with ARP bolts and a sachet of ARP assembly lube.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524276531374,"sku":"SPE809","price":1499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/files\/SPE103x4-3.jpg?v=1709218684"},{"product_id":"rcm-arrow-xtreme-h-section-con-rod-set","title":"RCM \/ Arrow Xtreme H-Section Con Rod Set","description":"\u003cp\u003eIf you are looking for a strong, balanced, lightweight and reliable connecting rod for your 600+bhp engine then look no further than the RCM Xtreme Connecting Rod produced by Arrow Precision.\u003c\/p\u003e\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod.\u003c\/p\u003e\n\u003cp\u003eThe high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish.\u003c\/p\u003e\n\u003cp\u003eEach rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\u003cp\u003eEach con rod set is supplied with ARP bolts and a sachet of ARP assembly lube.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524277743790,"sku":"RCM2407","price":1679.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/8aeb891361.jpg?v=1625663495"},{"product_id":"rcm-arrow-xtreme-h-section-con-rod-set-1mm-longer","title":"RCM \/ Arrow Xtreme H-Section Con Rod Set (+1mm longer)","description":"\u003cp\u003eIf you are looking for a strong, balanced, lightweight and reliable connecting rod for your 600+bhp engine then look no further than the RCM Xtreme Connecting Rod produced by Arrow Precision.\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\n\u003cp\u003eThe RCM Xtreme 1mm longer conrod is typically used in conjunction with a 75mm crankshaft to offer a smaller conrod angle resulting in a higher revving engine.\u003c\/p\u003e\n\n\u003cp\u003eEach con rod set is supplied with ARP bolts and a sachet of ARP assembly lube.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524279251118,"sku":"RCM2409","price":1560.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/a853a8ea4a.jpg?v=1625663504"},{"product_id":"rcm-arrow-xtreme-h-section-con-rod-set-1mm-shorter","title":"RCM \/ Arrow Xtreme H-Section Con Rod Set (-1mm shorter)","description":"\u003cp\u003eIf you are looking for a strong, balanced, lightweight and reliable connecting rod for your 600+bhp engine then look no further than the RCM Xtreme Connecting Rod produced by Arrow Precision.\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\n\u003cp\u003eThe RCM Xtreme 1mm shorter conrod is typically used in conjunction with a 79mm crankshaft to produce a larger capacity therefore increasing engine torque.\u003c\/p\u003e\n\n\u003cp\u003eEach con rod set is supplied with ARP bolts and a sachet of ARP assembly lube.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524280758446,"sku":"RCM2408","price":1560.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/8a884578e2.jpg?v=1625663512"},{"product_id":"rcm-arrow-m2000-con-rod-set","title":"RCM \/ Arrow M2000 Con Rod Set","description":"\u003cp\u003eLooking for the ultimate Conrod? We wouldn't use anything else other than the M2000 rod from Arrow Precision. As found fitted to Gobstopper's I, II \u0026amp; III no other rod comes close for strength, durability, reliability and precision.\u003c\/p\u003e\n\u003cp\u003eThe M2000 high performance connecting rod bridges the gap in the market for superior performance and exceptional strength at a price that is financially viable. Based on material research, M2000 is an ultra-high strength steel connecting rod with high core hardness that maintains ductility.\u003c\/p\u003e\n\u003cp\u003eCareful selection of chemistry and heat treatment practice gives M2000 a complete balance of mechanical properties and close tolerances for demanding applications. It is particularly suited to high stress usages where rod distortion can occur, such as in high boost engines.\u003c\/p\u003e\n\u003cp\u003eEach rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the M2000 seal of quality in the form of a laser engraved logo.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524283445422,"sku":"RCM2410","price":8399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/files\/facebook_conrod.jpg?v=1777635750"},{"product_id":"rcm-arrow-75mm-billet-crankshaft","title":"RCM \/ Arrow 75mm Billet Crankshaft","description":"\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part.\u003c\/p\u003e\n\u003cp\u003eEngineering precision detailed cranks begins with only the highest quality materials and a flexible batch manufacturing process. Arrow Precision works to exacting standards creating a Subaru crankshaft reverse engineered to stunning perfection. This is achieved through continuous inward investment in skilled, experienced people and working practices.\u003c\/p\u003e\n\u003cp\u003eAccuracy and efficiency are the hallmarks of a precision crank shaft ensuring you the strongest, lightest and most reliable crank available.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524284166318,"sku":"RCM133","price":3594.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/afe9f730f5.jpg?v=1645808403"},{"product_id":"rcm-arrow-79mm-billet-crankshaft","title":"RCM \/ Arrow 79mm Billet Crankshaft","description":"\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part.\u003c\/p\u003e\n\n\u003cp\u003eEngineering precision detailed cranks begins with only the highest quality materials and a flexible batch manufacturing process. Arrow Precision works to exacting standards creating a Subaru crankshaft reverse engineered to stunning perfection. This is achieved through continuous inward investment in skilled, experienced people and working practices. Accuracy and efficiency are the hallmarks of a precision crank shaft ensuring you the strongest, lightest and most reliable crank available.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524285935790,"sku":"RCM132","price":3594.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/aaa3fd6051.jpg?v=1647957830"},{"product_id":"rcm-rhd-oil-catch-tank-kit-2001-2007","title":"RCM RHD Oil Catch Tank Kit GDA\/B Single Scroll 2001-2005","description":"\u003cp\u003eThe RCM Oil Catch tank kit offers many benefits.\u003c\/p\u003e\n\n\u003cp\u003eOn a standard engine oil vapours from the crankcase and cylinder heads are usually recycled back through the air intake system. The downside of this is that the intake hoses, turbo, intercooler and connecting pipe work can all see a build up of oil over a period of time which in turn slows air flow, reduces cooling abilities and causes general wear and tear.\u003c\/p\u003e\n\n\u003cp\u003eFitting a catch tank kit enables you to vent all excess vapours directly into a separate tank where the oil is then separated from the damp air before being returned directly back into the sump oil pan. This ensures your engines breathing system is kept clean and free of oil residue to maximize its efficiency and can be especially useful in high performance or tuned applications where dense oil vapour can have a detrimental effect on performance.\u003c\/p\u003e\n\n\u003cp\u003eFurther advantages of an RCM catch tank kit is that aside from receiving all the corresponding parts required for a complete installation, we also supply an oil drain hose which connects between the catch tank and the sump meaning your precious oil is never left filling up in your tank and instead is returned back to the engine where it belongs.\u003c\/p\u003e\n\n\u003cp\u003eUnlike universal tanks all RCM tanks are manufactured specifically for the Impreza which guarantees easy, straight forward fitment for that factory appearance.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524301238446,"sku":"RCM2031","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/81caab0e3c.jpg?v=1625663639"},{"product_id":"rcm-cylinder-block-case-bolt-kit","title":"RCM Cylinder Block Case Bolt Kit","description":"\u003cp\u003eA complete set of replacement block case bolts to compliment any new engine build.\u003c\/p\u003e\n\n\u003cp\u003eContains all the necessary bolts to join both engine block halves together, offering a perfect fit and improved appearence.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524314476718,"sku":"SEN1192","price":53.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/2e3bca47d1.jpg?v=1653046555"},{"product_id":"rcm-air-conditioning-delete-kit","title":"RCM Air Conditioning Delete Kit","description":"\u003cp\u003eOur handy kit allows removal of the Air Conditioning pump by replacing the existing aluminium bracket (designed to hold both the alternator and air con pump).\u003c\/p\u003e\n\n\u003cp\u003eAfter performance and reliability the next important factors when tuning your engine have to be \"saving weight\" and \"appearance\". Our Air Con Removal Bracket not only weights less than the original but it's also much smaller and neater keeping a factory appearance to your engine bay. We also include a selection of new fixings to mount the bracket to your engine block and to also support the alternator.\u003c\/p\u003e\n\n\u003cp\u003eWith the Air Conditioning System removed a substantial amount of weight can be removed, aiding performance and improving the look of your engine bay.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524315426990,"sku":"RCM1617","price":71.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/10cf8a1005.jpg?v=1699033920"},{"product_id":"rcm-tumbler-generator-valve-tgv-thermal-delete-kit","title":"RCM Tumbler Generator Valve (TGV) Thermal Delete Kit","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eTumbler Generator Valves (or \"TGV\" as they are most commonly referred to) can be found on Impreza WRX, Forester Turbo and Legacy GT models from 2001 onward.\u003c\/p\u003e\n\n\u003cp\u003eTheir prime purpose is to reduce emissions from cold idle to meet standards governed by the EU emissions regulations (similar regulations also exist for both the US and Japan). Whilst this may be good for the environment it does little to aid the performance of your car and it's not uncommon for the sensors and motors connected to the TGV body to fail (leading to \"limp mode\", CEL lights and ultimately considerable expense in replacement parts and code clearing).\u003c\/p\u003e\n\n\u003cp\u003eThe standard TGV's are similar to the design of your throttle body, encompassing twin \"butterfly\" valves in each tumbler housing to control air flow. Even when fully open these restrict the flow of air traveling into the cylinder head ports, reducing performance. This coupled with the possibility of sensor and motor failure mean there is good call for an improved alternative!\u003c\/p\u003e\n\n\u003cp\u003eRCM TGV Delete's do not contain any butterfly valves, sensors or motors and allow for a smooth, direct flow of air into the cylinder heads. Whilst it is necessary to initially adjust the ECU mapping to prevent a check engine light the results offer; increased performance, improved reliability and a much improved esthetic appearance (thanks to our crinkle black or red coated finish).\u003c\/p\u003e\n\n\u003cp\u003eOur \"Thermal Kit\" also has the added features of heat spacers included\u003cem\u003e.\u003c\/em\u003eThese will help prevent heat from conducting into the alloy inlet manifold from the cylinder head, as a result the cooler and denser air will aid performance and keep temperatures stable under prolonged engine running. Due to the increase in manifold height when installing thermal spacers we also supply a replacement bolt kit, this ensures the OE thread depth into the cylinder heads is maintained and the manifold and TGV housing are kept secure on your engine. Also included are all necessary manifold gaskets offering a trouble free installation. \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"RED","offer_id":40524326699182,"sku":"SEN1386","price":449.99,"currency_code":"GBP","in_stock":true},{"title":"BLACK","offer_id":40524326731950,"sku":"SEN1386B","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/4cb9f0de36.jpg?v=1645885295"},{"product_id":"rcm-21-forged-stroker-kit-ej20","title":"RCM 2.1 Forged Stroker Kit EJ20","description":"\u003cp\u003ePower, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit.\u003c\/p\u003e\n\n\u003cp\u003eWhen thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building  a new engine, or rebuilding your existing engine is something you should only need to do once, therefore its important that you use components which are fit for purpose and will provide you with a solid foundation in which to increase power further down the line. With our stroker kits we offer just that:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• Subaru EJ25 Heat Treated Crankshaft\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eManufactured by FHI Japan the Subaru Forged Crankshaft is a strong, reliable and proven component. The crank is induction hardened to be extremely resilient to wear and provides a great foundation for any performance engine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Omega Forged Piston Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/p\u003e\n\n\u003cp\u003eSo why forged?\u003c\/p\u003e\n\n\u003cp\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/p\u003e\n\n\u003cp\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/p\u003e\n\n\u003cp\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/p\u003e\n\n\u003cp\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/p\u003e\n\n\u003cp\u003eBoth Gobstopper I and II have always used Omega pistons. With both cars developing over 700bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Arrow H Section Connecting Rod Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• ACL Race Bearings\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUsed the world over, ACL's reputation speaks for itself. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings feature:\u003c\/p\u003e\n\n\u003cp\u003e• High strength overlay plate with reduced thickness for improved fatigue properties\u003cbr\u003e\n• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.\u003cbr\u003e\n• Increased crush for improved bearing retention\u003cbr\u003e\n• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.\u003cbr\u003e\n• Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.\u003cbr\u003e\n• 3\/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.\u003cbr\u003e\n• Tight consistent wall tolerances to help you maintain consistent clearances.\u003cbr\u003e\n• Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• Engine Block Gasket Kit \u0026amp; Sealer\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIncluded in our stroker kits are the necessary engine short block seals and relevant sealer to ensure you have everything to hand when installing our storker kit. All our gaskets are Genuine Subaru ensuring quality, exact fitment and of course reliability. \u003c\/p\u003e","brand":"RCM","offers":[{"title":"92.00mm STD Size Piston Set","offer_id":40524331942062,"sku":"RCM2386","price":2999.99,"currency_code":"GBP","in_stock":true},{"title":"92.25mm Oversize Piston Set","offer_id":40524331974830,"sku":"RCM2344","price":2999.99,"currency_code":"GBP","in_stock":true},{"title":"92.50mm Oversize Piston Set","offer_id":40524332040366,"sku":"RCM2345","price":2999.99,"currency_code":"GBP","in_stock":true},{"title":"93.00mm Oversize Piston Set","offer_id":43349880340654,"sku":"RCM2990","price":2999.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/df9ae86d97.jpg?v=1647361862"},{"product_id":"rcm-21-billet-stroker-kit-ej20","title":"RCM 2.1 Billet Stroker Kit EJ20","description":"\u003cp\u003ePower, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit.\u003c\/p\u003e\n\n\u003cp\u003eWhen thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building  a new engine, or rebuilding your existing engine is something you should only need to do once, therefore its important that you use components which are fit for purpose and will provide you with a solid foundation in which to increase power further down the line. With our stroker kits we offer just that:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Arrow 79mm Billet Crankshaft\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part.\u003c\/p\u003e\n\n\u003cp\u003eEngineering precision detailed cranks begins with only the highest quality materials and a flexible batch manufacturing process. Arrow Precision works to exacting standards creating a Subaru crankshaft reverse engineered to stunning perfection. This is achieved through continuous inward investment in skilled, experienced people and working practices. Accuracy and efficiency are the hallmarks of a precision crank shaft ensuring you the strongest, lightest and most reliable crank available.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Omega Forged Piston Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/p\u003e\n\n\u003cp\u003eSo why forged?\u003c\/p\u003e\n\n\u003cp\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/p\u003e\n\n\u003cp\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/p\u003e\n\n\u003cp\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/p\u003e\n\n\u003cp\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/p\u003e\n\n\u003cp\u003eBoth Gobstopper I and II have always used Omega pistons. With both cars developing over 700bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Arrow H Section Connecting Rod Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• ACL Race Bearings\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUsed the world over, ACL's reputation speaks for itself. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings feature:\u003c\/p\u003e\n\n\u003cp\u003e• High strength overlay plate with reduced thickness for improved fatigue properties\u003cbr\u003e\n• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.\u003cbr\u003e\n• Increased crush for improved bearing retention\u003cbr\u003e\n• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.\u003cbr\u003e\n• Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.\u003cbr\u003e\n• 3\/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.\u003cbr\u003e\n• Tight consistent wall tolerances to help you maintain consistent clearances.\u003cbr\u003e\n• Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• Engine Block Gasket Kit \u0026amp; Sealer\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIncluded in our stroker kits are the necessary engine short block seals and relevant sealer to ensure you have everything to hand when installing our storker kit. All our gaskets are Genuine Subaru ensuring quality, exact fitment and of course reliability. \u003c\/p\u003e","brand":"RCM","offers":[{"title":"STD Size Piston Set","offer_id":40524333580462,"sku":"RCM2387","price":6595.19,"currency_code":"GBP","in_stock":true},{"title":"0.25 Oversize Piston Set","offer_id":40524333613230,"sku":"RCM2346","price":6595.19,"currency_code":"GBP","in_stock":true},{"title":"0.50 Oversize Piston Set","offer_id":40524333645998,"sku":"RCM2347","price":6595.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/e7e44ed0e4.jpg?v=1645815861"},{"product_id":"rcm-21-budget-forged-stroker-kit-ej20","title":"RCM 2.1 Budget Forged Stroker Kit EJ20","description":"\u003cp\u003ePower, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit.\u003c\/p\u003e\n\n\u003cp\u003eWhen thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building  a new engine, or rebuilding your existing engine is something you should only need to do once, therefore its important that you use components which are fit for purpose and will provide you with a solid foundation in which to increase power further down the line. With our stroker kits we offer just that:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• Subaru EJ25 Heat Treated Crankshaft\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eManufactured by FHI Japan the Subaru Forged Crankshaft is a strong, reliable and proven component. The crank is induction hardened to be extremely resilient to wear and provides a great foundation for any performance engine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• RCM \/ Omega Forged Piston Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/p\u003e\n\n\u003cp\u003eSo why forged?\u003c\/p\u003e\n\n\u003cp\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/p\u003e\n\n\u003cp\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/p\u003e\n\n\u003cp\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/p\u003e\n\n\u003cp\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/p\u003e\n\n\u003cp\u003eBoth Gobstopper I and II have always used Omega pistons. With both cars developing over 700bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• Manley Conrod Set\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eManley H-Beams are not only very \"economically\" priced, but they are finished to the same exacting tolerances and high quality standards as their more expensive Sportsmaster® and Pro Series rods. Final hone size, thread detail, bend and twist are all attributes found in a Manley Conrod.  \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e• ACL Race Bearings\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUsed the world over, ACL's reputation speaks for itself. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings feature:\u003c\/p\u003e\n\n\u003cp\u003e• High strength overlay plate with reduced thickness for improved fatigue properties\u003cbr\u003e\n• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.\u003cbr\u003e\n• Increased crush for improved bearing retention\u003cbr\u003e\n• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.\u003cbr\u003e\n• Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.\u003cbr\u003e\n• 3\/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.\u003cbr\u003e\n• Tight consistent wall tolerances to help you maintain consistent clearances.\u003cbr\u003e\n• Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"RCM","offers":[{"title":"92.00mm STD Size Piston Set","offer_id":40524335939758,"sku":"RCM2385","price":1979.99,"currency_code":"GBP","in_stock":true},{"title":"92.25mm Oversize Piston Set","offer_id":40524335972526,"sku":"RCM2342","price":1979.99,"currency_code":"GBP","in_stock":true},{"title":"92.50mm Oversize Piston Set","offer_id":40524336005294,"sku":"RCM2343","price":1979.99,"currency_code":"GBP","in_stock":true},{"title":"93.00mm Oversize Piston Set","offer_id":43349782036654,"sku":"RCM2738","price":1979.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/461b45a199.jpg?v=1663091818"},{"product_id":"rcm-billet-battery-clamp","title":"RCM Billet Battery Clamp","description":"\u003cp\u003eWhen carrying out those finishing additions to your cars engine bay it’s the little touches that make all the difference and now you can secure your battery in style with the RCM Battery Clamp! CNC machined in the UK and finished in ultra durable military spec anodising then laser etched with the RCM logo for that extra seal of quality these clamps are a direct replacement for the somewhat plain standard offering!\u003c\/p\u003e\n\n\u003cp\u003eAvailable in Black, Blue and Red to suit any engine bay this part is easy installed in minutes yet does a great job of lifting the overall appearance under your bonnet!\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Black","offer_id":40524356059310,"sku":"RCM1011","price":51.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/3e0da97d5d.jpg?v=1625663902"},{"product_id":"rcm-wrc-sump-plate-rubber-baffle","title":"RCM WRC Sump Plate Rubber Baffle","description":"\u003cp\u003eReplacement Rubber Flap for Baffle Plate\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524386205870,"sku":"RCM778","price":11.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/9a4c8ed1ae.jpg?v=1656945568"},{"product_id":"rcm-cork-sump-gasket","title":"RCM Cork Sump Gasket","description":"\u003cp\u003eRCM Cork Sump Gasket.  Ideal for quick and easy installation of the sump.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524391940270,"sku":"RCM306","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/6ecb2fd344.jpg?v=1625664154"},{"product_id":"rcm-head-dowels-for-14mm-stud-conversion","title":"RCM Head Dowels for 14mm Stud Conversion","description":"\u003cp\u003eRCM's own modified head dowel, for use with our Uprated 14mm heads stud kits RCM2902 \u0026amp; RCM593.\u003c\/p\u003e\n\u003cp\u003eOur dowels are each precision cut and opened, which allows them to fit over the shank of the larger 14mm stud, they can then be simply squeezed sut and tapped into place.\u003c\/p\u003e\n\u003cp\u003eEach kit includes x4 dowels.\u003c\/p\u003e\n\u003cp\u003eA small video demonstrating how to locate them can be seen \u003ca href=\"https:\/\/www.youtube.com\/embed\/n0Ij2AVV_as?rel=0\u0026amp;autoplay=1\" onclick=\"window.open(this.href, '', 'resizable=no,status=no,location=no,toolbar=no,menubar=no,fullscreen=no,scrollbars=no,dependent=no,width=640,left=250,height=480,top=250'); return false;\"\u003eHERE.\u003c\/a\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524419399854,"sku":"RCM2726","price":71.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/4595438765.jpg?v=1625664372"},{"product_id":"rcm-omega-piston-set-235-stroker-ej22","title":"RCM \/ Omega EJ22 Piston Set - 2.35 Stroker","description":"\u003cp\u003eRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing.\u003c\/p\u003e\n\u003cp\u003eSo why forged?\u003c\/p\u003e\n\u003cp\u003eA forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from solid is marginally better than a forging but the strength benefits of a forging far outweigh any benefits of a fully machined piston. You get excellent grain structure when a piston is forged correctly, the way Omega do it. In a fully machined piston you don’t get any true grain flow structure as you are using the material as it is cut from the bar. When you forge the material you create optimal molecular alignment within the material coupled with their own in-house bespoke heat treatment and this is what gives the piston its strength.\u003c\/p\u003e\n\u003cp\u003eAfter discussions with the technical people at Omega and other metallurgists we are convinced that the companies who are promoting fully machined pistons cannot offer forgings, it is much easier and cheaper to buy a machine with 3D capabilities than it is to buy and set up a forging plant, then there is the experience and skill required to create the perfect forging, it isn't easy, and certainly isn’t cheap but it provides the very best components available.\u003c\/p\u003e\n\u003cp\u003eOmega’s attention to detail?\u003c\/p\u003e\n\u003cp\u003eCNC (Computer Numeric Controlled) machines are used to do most of the machining that turns a forging into a piston. When finished, the piston is sent to the quality control department to be measured. The quality control department is kept at a constant 20.5°C, important as pistons can expand by as much as 10 microns in sunlight. This way the pistons can also be measured for tolerance anywhere in the world, provided the same 20.5°C conditions are replicated.\u003c\/p\u003e\n\u003cp\u003eThe piston skirt is designed and machined to give a profile that works most efficiently when the engine is at full working temperature. Piston skirt profiles are not round but elliptical in shape and barrelled in length. The machining of the skirt is done on extremely accurate machines, capable of holding their repeatability down to 5 microns!\u003c\/p\u003e\n\u003cp\u003eAll RCM \/ Omega Pistons are individually weighed and batched to within 0.5 grams, which ensures that a set of four will have a tolerance deviation of no more than 2.0 grams. On large orders this means that it is not unusual to have a set of 4 pistons with only 0.1 gram deviation!\u003c\/p\u003e\n\u003cp\u003eProven Performance!\u003c\/p\u003e\n\u003cp\u003eBoth Gobstopper I and II have always used Omega pistons. With both cars developing over 900bhp (plus the additional option of nitrous oxide) and a rev limit of 10,000 rpm you don’t get a greater test for any piston. Omega pistons have always performed faultlessly even under the most extreme of conditions which is why when choosing our preferred manufacturer we wouldn’t look anywhere else.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"97.00mm STD Bore","offer_id":40524450463918,"sku":"RCM2593","price":839.99,"currency_code":"GBP","in_stock":true},{"title":"97.25mm Oversize","offer_id":40524450496686,"sku":"RCM2594","price":839.99,"currency_code":"GBP","in_stock":true},{"title":"97.50mm Oversize","offer_id":43020991856814,"sku":"RCM2595","price":839.99,"currency_code":"GBP","in_stock":true},{"title":"98.00mm Oversize","offer_id":43020991889582,"sku":"RCM2596","price":839.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/2a1459a42c.jpg?v=1662039585"},{"product_id":"rcm-67mm-electric-throttle-reversed-manifold","title":"RCM 67mm Electric Throttle - Reversed Manifold","description":"\u003cp\u003eThe RCM drive by wire electric throttle body has been designed and engineered specifically for Subaru applications, for vehicles using a reversed inlet manifold configuration.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from machined billet aluminum housings, it is fully assembled and ready to bolt directly to your reversed manifold, it is balanced and calibrated to a set idle condition.\u003c\/p\u003e\n\n\u003cp\u003ePatented shaftless technology, gaining up to 7% more airflow\u003c\/p\u003e\n\n\u003cp\u003eFailsafe spring return\u003c\/p\u003e\n\n\u003cp\u003eOperational speed \u0026lt;0.07 Seconds \/ 60 degrees\u003c\/p\u003e\n\n\u003cp\u003eElectrical Interface - Molex MX150-L\u003c\/p\u003e\n\n\u003cp\u003eHall Effect TPS (dual redundancy)\u003c\/p\u003e\n\n\u003cp\u003e0.5v to 4.5v Sensor\u003c\/p\u003e\n\n\u003cp\u003eAdditional wiring will need to be assembled to suit your application with the connector supplied\u003c\/p\u003e\n\n\u003cp\u003eA throttle pedal potentiometer or pedal box will need to be used with this throttle assembly\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524453183662,"sku":"RCM2597","price":1074.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/a8429692b9.jpg?v=1645885208"},{"product_id":"rcm-billet-aluminium-high-temp-half-moon-seal","title":"RCM Billet Aluminium High Temp Half Moon Seal","description":"\u003cp\u003eThe RCM Billet Half Moon seals (also known as cylinder head plugs) have been specifically designed to replace the problematic OE plastic seals which become hardened and brittle with the constant temperature changes, eventually leaking and requiring replacement again.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from high grade aluminium, these RCM engraved replacements will not suffer from these issues. Fitting precisely into place and sealed with our SGA35 liquid gasket, this simple, quality part will ensure that leaks on the rear of your cylinder heads become a thing of the past.\u003c\/p\u003e\n\n\u003cp\u003ePlease note, when ordering you will need to purchase 4 of these for a complete engine, please use the option to select 1 or 4 half moons as required.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"x1 RCM Billet Aluminium Half Moon Seals","offer_id":40524477890734,"sku":"RCM2616","price":13.14,"currency_code":"GBP","in_stock":true},{"title":"x4 RCM Billet Aluminium Half Moon Seals","offer_id":43157557903534,"sku":"RCM2728","price":51.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/3524099499.jpg?v=1625664769"},{"product_id":"rcm-heavy-duty-block-case-location-dowel-pair","title":"RCM Heavy Duty Block Case Location Dowel Pair","description":"\u003cp\u003eRCM Heavy Duty Block Case Location Dowel Pair.\u003c\/p\u003e\n\n\u003cp\u003eThese dowels are to replace the standard Subaru dowels (between the block halves) which are not available to buy.  They are a much thicker dowel than the standard, and are threaded to make removal an easier process.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524478644398,"sku":"RCM2729","price":29.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/536ad48e3a.jpg?v=1625664773"},{"product_id":"rcm-block-adapter-for-oil-pressure-temp-sensor","title":"RCM Block Adapter for Oil Pressure \/ Temp Sensor","description":"\u003cp\u003eThis simple adptor bolts into place on your block, where you can remove an existing bung.  It allows for a Defi type sensor to be installed to monitor either oil temperature or oil pressure, depending on your needs.  This removes the need to install a sandwich plate behind your oil filter to fit more than 1 sensor\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524478709934,"sku":"SEN440","price":22.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/66932f6ad6.jpg?v=1625664779"},{"product_id":"rcm-street-spec-con-rod-set","title":"RCM Street Spec Con Rod Set","description":"\u003cp\u003eThe RCM \"Street Spec\" conrod has been introduced to compliment our existing range, fitting between OE and the RCM \/ Arrow H section rods, rated up to 400Bhp.\u003c\/p\u003e\n\n\u003cp\u003eNot recommended for use with sequential or flat shift configurations.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from 4340 forgings to our exacting standards, each set of rods is weight matched to +\/- 1.5 grams. Once the big and small ends have been checked, 3\/8\" ARP 2000 fasteners are fitted, before quality quality seal is applied with the RCM Logo.\u003c\/p\u003e\n","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524491751598,"sku":"RCM2714","price":690.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/31a2562f47.jpg?v=1625664910"},{"product_id":"rcm-inlet-manifold-refurbishment-service","title":"RCM Subaru Version 5\/6 Inlet Manifold Refurbishment Service","description":"\u003cp\u003eOne of the most prominent parts in any Subaru engine bay is the inlet manifold. All too often this large part is overlooked, which can detract from even the most detailed of vehicles.\u003c\/p\u003e\n\u003cp\u003eOffered on an exchange basis, the RCM refurbishing process brings your own manifold back to life, in the familiar crinkle red finish, or with an alternative crinkle black.\u003c\/p\u003e\n\u003cp\u003ePlease Note :\u003c\/p\u003e\n\u003cp\u003e-This price is based on you supplying your manifold for refurbishing.\u003c\/p\u003e\n\u003cp\u003e-If you would like us to supply a manifold on an exchange basis, this is also possible, please contact us for details.\u003c\/p\u003e","brand":"RCM","offers":[{"title":"RED \/ No","offer_id":54897056547198,"sku":null,"price":474.0,"currency_code":"GBP","in_stock":true},{"title":"RED \/ Yes","offer_id":40524492669102,"sku":"RCM126R","price":527.99,"currency_code":"GBP","in_stock":true},{"title":"BLACK \/ No","offer_id":54897056579966,"sku":null,"price":474.0,"currency_code":"GBP","in_stock":true},{"title":"BLACK \/ Yes","offer_id":40524492701870,"sku":"RCM126B","price":527.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/files\/Version_5_inlet_manifold_refurb-6.png?v=1734792274"},{"product_id":"engine-block-adapter-modine-water-feed","title":"RCM Engine Block Adapter Modine Water Feed","description":"\u003cp\u003eRCM Stainless Steel Block Adaptor which screws into the bottom of the engine block connecting to the oil cooler modine water hose. Being made from Stainless steel, it completely eliminates the problem of corrosion, this is a direct replacement for the Genuine Subaru part.\u003c\/p\u003e\n\u003cp\u003eThe OE part is prone to rust and corrosion, and isn't available to buy a replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":40524493947054,"sku":"SEN2131","price":29.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/products\/80493b5c6e.jpg?v=1625664983"}],"url":"https:\/\/rogerclarkmotorsport.co.uk\/collections\/subaru-forester-2003-2005-engine-parts.oembed?page=13","provider":"Roger Clark Motorsport UK","version":"1.0","type":"link"}