RCM

Our new thermostat is designed not only to improve reliability (thanks to its superior construction and our strict quality control inspection process) but also to provide an earlier start in your engine’s cooling process. With a low temp thermostat in place your engine coolant is allowed to circulate around the engine much earlier which allows…

Introducing our new RCM Gen 3 High Grip Tensioner Bracket Kit! Utilising the latest FEA analysis in order to optimise strength the all new geometry offers much increased component stiffness in critical high stress areas. Now directly compatible with the popular CNC billet EJ engine blocks for the ultimate EJ engine package in addition to…

RCM700 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…

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…

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…

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 piece tensioner system as it is more reliable than the later single piece…

The RCM thermostatically controlled sandwich plate has been designed and manufactured so that the oil lines can be directed at multiple angles, this allows fitting with all variants of exhaust manifolds (including twin scroll, equal and unequal length). The integral thermostat opens at 85 degC, allowing ample time for engine temperatures to reach sufficient levels…

The RCM throttle wedge is a part which can greatly aid in reducing cost and time when installign a reverse facing manifold. Designed to be used on V7+ Manifolds, the wedge is designed to be welded directly onto your manifold, and allows the throttle come out at the correct angle facing forwards instead of upwards…

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…