Engine

RCM600 2.1L High Compression Closed Deck Block 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 detail not seen in the tuning industry before. This level and depth of…

RCM500 2.1L High Compression Closed Deck Block 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 detail not seen in the tuning industry before. This level and depth of…

The latest evolution of our proven and hugely successful 14/12mm 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 ultimate EJ series head stud solution to the next level by incorporating some new features into the RCM…

Developed in conjunction with the WRC engine valves, Roger Clark Motorsport have developed their own range of high quality uprated valve springs. These springs offer an increased spring rate over the standard genuine spring, helping to eliminate valve bounce at high engine revs. These springs have: Unfitted length of 54mm Coil diameter of 3.8mm Weight…

This injector adaptor kit allows later V5-6 Injectors to be fitted into earlier V1-4 fuel rails. Injector not included with the adaptor kit.

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 tolerances every time, ensuring you have the same quality Cams as you would see…

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.

RCM Titanium retainers, for use with our own double valve springs and the later style buckets with intergrated shims. This is for a set of 16 retainers.

Developed in conjunction with the WRC engine valves, Roger Clark Motorsport have developed their own range of high quality uprated valve springs. These springs offer an increased spring rate over the standard genuine spring, helping to eliminate valve bounce at high engine revs. These springs have an unfitted length of 43.5mm, a coil diameter of…