Roger Clark Motorsport

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 ...

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 ...

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 ...

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 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 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 ...

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 ...

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 ...

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 ...

In warm areas of the world power steering pump failures can be a common occurrence due to components overheating (even through normal everyday driving). This is also a common issue found on many race cars due to greater demands on the steer ...

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 ...

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 Injector Dynamics top feed injectors where the need for improved fuel feed and routing ...

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 ...

RCM / OMEGA Piston Ring set EJ22 for all RCM Omega pistons. 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 - 97.00mm, 97.25mm, 97.50mm and 98.00mm.

The RCM wheel bearing kits have been sourced direct from OE parts manufacturers, ensuring the quality remains as high as possible, whilst maintaining a lower price for owners on a budget. The kit comes complete with wheel bearing, new inner ...

RCM Bronze Exhaust Valve Guide. You will need to select 8 for a complete engine.

RCM Bronze Inlet Valve Guide. You will need to select 8 for a complete engine.

The speedo drive on the very early Subarus were cable driven from the gearbox to the drivers dash board. The cable is actually made up of x2 pieces, a short section which screws into the gearbox which then joins a longer section which comes ...

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 tolera ...

RCM400 2.0L Thick Wall High Compression 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 met ...

This is a WRC Cylinder Head O ring Seal. The right hand and left hand seal are the same. -You will need Version 3, 4 cylinder heads to fit this seal. -You will need to modify your cylinder head to fit this seal. -Price is for x1 seal

We will need your existing compressor housing to be able to do this for you, alternatively we can supply you with a new complete turbo with the restrictor already fitted! Motorsport governing bodies around the world have different regulatio ...