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 ...
The RCM O Ringed Thermal spacer kit contains everything required to install our Phenolic Spacers to your Subaru. The kit is designed to aid in the reduction of the air inlet temperatures in the inlet manifold, by isolating the manifold from ...
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. ...
Subaru Thick Walled Semi Closed Deck Block Pair EJ20. Suitable for all EJ20 Builds, and the preferred platform for high performance and competition engines.
This is a Genuine Subaru Fuel Filler Neck Pipe. Direct replacement part for all Classic Impreza's 1992 - 2000 V1 - V6, and also BG5 Legacy 1993 - 2002. This part will fit on both UK and JDM vehicles.
RH Rocker Cover Gasket to suit V1-V2 Impreza's with the following engine code : EJ20G
LH Rocker Cover Gasket to suit V1-V2 Impreza's with the following engine code : EJ20G
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 ...
Developed for Subaru Imprezas from 2001 - 2007, this RCM cool panel guide has been designed to locate beween bonnet slam panel and the radiator assembly. It ensures that cool in-coming air is directed through the radiator assembly where it ...
RCM Uprated Exhaust Valve set, for V5+ Heads
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 ...
An essential part of modifying your Impreza engine is having the ability to supply the cylinder with enough fuel during the combustion process. Our 740cc high performance, injectors are designed to fit Imprezas from 1998 to 2000 and are a ...
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 ...
A genuine Subaru Timing Belt tensioner foam seal. This comes with an adhesive backing which allows it to be stuck within the moulding lines of the timing belt tensioner bracket.
Subaru ARP High Performance 11mm Uprated Head Stud Kit
Genuine Subaru oil separator cover, supplied in a convenient kit with the 6 x bolts required for installation.
Genuine Subaru PCV hose assembly. Found on the top of the block.
This is a Genuine Subaru Inlet Valve Stem Oil Seal and can be purchased as an individual item or as a pack of x8.
Oil Cooler Modine fitted to Classic Impreza's V1 - V6
RCM Uprated Exhaust Valve set, for V1-V4 Heads
Parallel 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. With Subaru's standard fuel system design, fuel is fed by a pump f ...
The RCM oil filler blanking kit has been designed to be installed on applications where engine oil is no longer poured into the engine via the normal oil filler neck, for example where a dry sump system has been installed which uses an oil ...
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 ...