
Small Timing Belt Idler Pulley as fitted to V5 - V7 Impeza's


With the iconic 22B becoming older and more sought after, rebuilds of the closed deck EJ22G engines are more common as owners look to protect their investment. With the original Subaru pistons long since disappeared from production and sto ...

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 ...

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 ...

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 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.

EJ22 Closed Deck Block. There are no longer any new closed deck blocks available to buy. We source low mileage blocks from a number of sources, and prepare them ourselves ready for your build. Each block is thoroughly inspected, before unde ...

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 ...

One of the most prominent parts in any Subaru engine bay is the inlet manifold. All too often this large part is overlooked, which can detract from even the most detailed of vehicles. Offered on an exchange basis, the RCM refurbishing proce ...

The RCM Dry Sump system is an extremely capable and well proven design for the Subaru EJ engine series. This totally removes the oil starvation issues encountered with the flat 4 boxer type engine. This comprehensive package, utilises our b ...

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 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 ...

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 ...

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 ...

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 ...

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 ...