
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 ...

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 ...
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

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 ...

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 ...

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 ARP High Performance 11mm Uprated Head Stud Kit

This is a Genuine Subaru Inlet Valve Stem Oil Seal and can be purchased as an individual item or as a pack of x8.
RCM Uprated Exhaust Valve set, for V5+ Heads

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 ...

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.

RCM Upgraded Timing Belt Tensioner 1996+

Genuine Subaru oil separator cover, supplied in a convenient kit with the 6 x bolts required for installation.

The latest evolution of our proven and hugely successful 14/14mm RCM Head Stud Kit designed for the ultimate in engine performance and reliability! Introducing the new RCM 14mm Superstud Head Stud Kit. Our engineers have taken the ultimat ...

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 ...

RCM Stainless Steel Block Adaptor which screws into the bottom of the engine block connecting to the oil cooler modine water hose. Being made from Stainless steel, it completely eliminates the problem of corrosion, this is a direct replacem ...

This is an RCM block case alloy blanking plug which is used on the EJ series block cases. This is a direct replacement for the Genuine Subaru part. The OE part is prone to rust and corrosion, and isn't available to buy a replacement. The th ...

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 ...
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 ...

Developed for the extreme power enthusiast, the RCM Super Light Weight Crank pulley reduces the crankshafts reciprocating mass massively improving acceleration and engine response as well of giving your engine the Roger Clark Motorsport id ...