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Subaru Impreza 2003-2005 Engine Parts
412 products
Showing 217 - 240 of 412 products


Subaru Oil Sump Pan to suit Twin Scroll JDM Impreza V7 - V8


RCM / OMEGA Piston Ring set EJ25 for all RCM Omega pistons in both 4032 & 2618 materials. We only use the very best rings sets to compliment the range of Omega pistons that we have developed. Rings available in standard bore size - 99.5 ...


This kit is purely for the aluminium seals in the RCM Block Case Blanking Kit.


This is a replacement toothed drive belt for an RCM Subaru Dry Sump kit. There are x2 options available. The earlier pre-2025 year kits ran a 19mm width drive belt. 2025+ kits ran a 25mm wide belt for increased belt grip. To run the 25mm wi ...


A Genuine Subaru Eccentric Idler Pulley >1996


The RCM Gen2 Alternator Relocation kit has is designed to enable more space to be created, essential when reversing the intake manifold. This kit is designed to be used when using an electric power steering pump where drive from the crank s ...


The RCM1540 Extreme 11mm Head Stud kit is an absolute must for your performance build. Manufactured from Aircraft Grade S99 Steel, and with a tensile strength in excess of 237,000 Psi (1640MPa), our 11mm kit reduces head movement under boos ...


RCM Billet Fuel Rails are the perfect addition to any performance engine project. Our billet rails are designed and manufactured to cater for performance top feed injectors where the need for improved fuel feed and routing is paramount. M ...


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 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 Adjustable Vernier Pulleys are a valuable asset to any high performance engine allowing adjustment for exact valve timing to ensure the combustion process is as efficient as possible. Given the important role of the camshaft pulleys, s ...


The RCM Oil Catch Tank manufactured specifically for Impreza Turbos 2001-2007. On 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 ...


Tumbler 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. Their prime purpose is to reduce emissions from cold idle to meet standards gov ...


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 ...


RCM Double Valve Spring Set. Suitable for use on V5+ Cylinder Heads, with the correct spring seats and retainers. Our valve springs are designed and manufactured to reduce valvetrain harmonics, increase durability and provide an increase ...

RCM Titanium retainers, for use with our own double valve springs and the later style buckets with intergrated shims. This is for a set of 16 retainers.


Parallel fuel lines are a great addition to any engine, not only do they provide a more consistant volume of fuel to your injectors but they also yield key safety benefits. RCM have many different parallel fuel rail options and kits availa ...


Tumbler 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. Their prime purpose is to reduce emissions from cold idle to meet standards governe ...

A genuine Subaru metal gasket, which is used to join the turbocharger to the up pipe assembly on twin scroll models only. This is a steel multi layered gasket. We also offer this as stainless steel gasket which is better suit to motorsport/ ...

STi Battery Clamp. Great underbonnet finishing touch for your Impreza. The STI Battery Clamp is designed to be used with a smaller JDM size D battery (which is standard on certain JDM cars).


Our oil drain back hose is designed specifically for all RCM oil separator catch tanks being fitted to a twin scroll or 2006+ application, offering an easier alternative to removing your catch tank in order to drain it of oil. Manufactured ...


Genuine Subaru Cylinder Head, as fitted as standard to the 2.0ltr JDM Impreza Spec C 2002 - 2007 The JDM Spec C "big port" cylinder heads are widely regarded as the best performing OEM cylinder head case made by Subaru thanks to its enlarg ...


Genuine Subaru Cylinder Head, as fitted as standard to the 2.0ltr JDM Impreza Spec C 2002 - 2007 The JDM Spec C "big port" cylinder heads are widely regarded as the best performing OEM cylinder head case made by Subaru thanks to its enlarg ...


Genuine Subaru Replacement Air Con Pulley and Adjuster Kit.
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