Genuine heat treated Subaru rear thrust crankshaft as found fitted in later EJ25 STI engines.
Genuine Subaru 2 way header tank cap rated to 1.08 Bar of pressure
Engine Block Seal Kit. This contains all of the seals and gaskets required to complete your short block build.
A high quality aftermarket timing belt from Mitsuboshi. Mitsuboshi are a prime OE supplier to a good portion of the Japanese car manufacturers and for very good reason. They quality is second to none and very reasonably price making this be ...
Designed 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 buil ...
Rubber Seal fitted to the top of the front centre cam belt cover.
Genuine Subaru JDM Short Block, as fitted to 2015+ Impreza 2.0ltr. This block has thicker cylinder walls than on the UK version (13.1mm), allows higher power to be made safely, can make 400bhp safely with supporting modifications. This is f ...
Manifold to TGV Gasket This gasket is located between the inlet manifold and the tumbler generators.
The RCM O Ringed Thermal spacer kit contains everything required to install our Phenolic Spacers to your Subaru. This kit has been designed to be used on the Spec C model which has the single piece inlet manifold. The kit is designed to aid ...
This is an RCM block case alloy blanking plug which is used on the EJ series block cases. These are used as gudgeon pin blanking plugs, but can also be used when the oil cooler modine is being deleted. The OE part is prone to rust and corro ...
Now this tool is a must for any workshops who work on Subarus, be it the professional or DIY engine builder, where those stubborn camshaft pulley bolts always cause a problem. For Subaru engines fitted with variable valve timing, this large ...
In 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. Designed to withstand higher RPM conditions, ACL Race Series ...
Oil 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. This is one of the reasons we have spent so much time at RCM developing ...
This is a Subaru Sump Plug Adapter and comes complete with a dowety Seal. If you remove your original sump plug, you can replace it with this adapter which then allows you to run a drain back hose from your catch tank system back into the s ...
Genuine Subaru EJ257 Short Block Assembly Type RA. 10103AD020
Genuine STi performance timing belt, for use with uprated engines.
Developed for the extreme power enthusiast and weighing in at 121grams, the RCM Light Alternator pulley reduces reciprocating mass massively improving acceleration and engine response as well of giving your engine the Roger Clark Motorspor ...
The Subaru Impreza fuel tank design is flawed particularly when running below half a tank of fuel. It’s possible to encounter fuel surge on hard cornering and spirited driving as fuel moves around the fuel tank and away from the fuel pump. ...
RCM 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 manu ...
RCM Uprated Exhaust Valve set, for V5+ Heads
Originally introduced in November 2002 this crankshaft was a factory fit component on all Japanese Domestic Model vehicles. For many years the crankshaft was supplied balanced, cross drilled and finished with a nitride hardening offering go ...
Subaru Thick Walled Semi Closed Deck Block Pair EJ20. Suitable for all EJ20 Builds, and the preferred platform for high performance and competition engines.
RCM Motorsport 35mm Bucket Shim – DLC Coated Precision Engineered for High-Performance Engines The RCM Motorsport 35mm Bucket Shim is designed for demanding performance and motorsport applications where strength, precision, and durability a ...
These are great news if you need to seal up your engine for what ever reason. Be it during the build process or you need to transport your engine and want to stop debris or foreign objects entering the ports. Made from 5mm anodised aluminiu ...