Roger Clark Motorsport

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

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

The RCM 5 Speed Lightweight Flywheel is a single piece steel billet assembly weighing just 4.8Kgs. This represents a saving of over 5Kgs over the standard OEM unit! Designed for all 5 speed Impreza. Utilising a Push type clutch, this produc ...

This fitting kit would be used when fitting a 2.5" downpipe RCM329 or RCM369 along with a decat 2.5" RCM330 exhaust part on an Impreza (not twin scroll) or when fitting th eequivalent standard Subaru parts. RCM exhaust fitting kits provide ...

This fitting kit would be used when fitting a complete 2.5" exhaust system to a Japanese spec Impreza (not twin scroll), or when fitting the RCM exhaust systems RCM632, RCM633, RCM640 or RCM641. RCM exhaust fitting kits provide all the nec ...

The RCM618 fitting kit would be used when fitting a complete 2.5" exhaust system (all 4 parts) on a Euro spec new age Impreza (01/2000 +, or when fitting the RCM exhaust systems RCM634, RCM635, RCM 642 or RCM 643. RCM exhaust fitting kits ...

RCM nitrided spring seat spacers for V5+ heads.

RCM nitrided spring seat spacers for V3/4 heads only to be used in conjunction with the RCM double valve spring kit RCM906.

The High Grip Tensioner System has been developed as a solution to the problem of belts bouncing and skipping teeth at high RPM, which can have catastrophic results. For many years, race and rally teams have preferred to use the original 2 ...

RCM450 2.1L Thick Wall Short Engine. RCM pride themselves on supplying the ultimate range of custom built EJ Series short engines. We have built an enviable reputation of assembling high powered Subaru power units to a meticulous level of d ...

Fresh air ALS (Anti Lag System) Valve as used on all the Gobstopper projects.

RCM Billet Fuel Rail Conversions are the perfect addition to any performance engine project which is utilising the earlier V3 or V4 Inlet Manifold. A problem which is all to often faced when using this type of manifold is the inability to ...

Ideal Replacement discs for owners on a budget, the RCM range of discs have been sourced direct from OE manufacturers, ensuring the highest quality possible, whilst maintaining a lower price.

This RCM exhaust centre front section is designed to fit UK/Euro specification Impreza WRX and WRX/STi from 2001 to 2005. This simple yet effective modification is designed to allow a freer flow of gases by removal of any restriction cause ...

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

RCM Camshaft Kits have been designed and developed in house, to ensure that they deliver the maximum power possible over a wide power band. Each Cam is precision ground and polished from a new blank to the same exacting standards and toler ...

Power, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit. When thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choic ...

Our oil drain back hose is designed specifically for all RCM oil separator catch tanks being fitted to single scroll turbo or pre 2006 Impreza's, offering an easier alternative to removing your catch tank in order to drain it of oil. Manuf ...

Roger Clark Motorsport have developed their own high performance induction kit for the New Age Impreza, allowing greater unrestricted air flow and improved engine response. One of the most important things when trying to increase the power ...

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 ...

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 ...

Engine oil teperatures are key to maintaining a healthy engine as well as performance. Under hard driving conditions oil temperatures naturally raise as a greater heat is generated from the faster moving engine components. With oil temperat ...

RCM prides itself having OE parts manufacturers as their technical partners. This is never more important than with our range of RCM Power Parts timing belt kits where we are working closely with NTN, NSK, Koyo & Aisin to formulate our ...