Wanting more Power and Performance? Wanting better fuel economy? Or just a smoother running engine? Nitrous Formula Race is the right at the very top of the range available. Not only can it be used for a super high performance octane booste ...

Subaru Thick Walled Semi Closed Deck Block Pair EJ20. Suitable for all EJ20 Builds, and the preferred platform for high performance and competition engines.

A Genuine Subaru ollen filter for 2008+ Imprezas. Often overlooked, the pollen filter should be checked/replaced regularly, to avoid unpleasant odours and ensure good filtration in your cabin.
Genuine Subaru radiator hose clamp, for all Subaru's from 1992 +

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 ...

Subaru ARP High Performance 11mm Uprated Head Stud Kit

This is a Defi temperature sensor which will work with both oil and water. It is designed to work with the Defi range of gauges.
RCM Uprated Exhaust Valve set, for V5+ Heads

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's own 6 speed Gearknob. Designed by drivers, for drivers, this simple addition to your interior is not only aesthetically pleasing, but with the additional weight, it offers a more positive feel to your gear change.

If you're looking for some good looking tyres valves then look no further. These metal valves not only enhance the appearance of your wheels but also offer increased durability compared to standard rubber valves. These are typical high qua ...

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 ...

Genuine Subaru EJ257 Short Block Assembly Type RA. 10103AD020

RCM Upgraded Timing Belt Tensioner 1996+

Rotated Turbo Up & Downpipe Kit for RHD Subaru Impreza models For use with the latest GENII Garrett Turbochargers. GTX30 and GTX35 sizes available for 600-900bhp. T3 Inlet, V-Band Outlet. Mounting bracket and installation hardware supp ...

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 ...


"Competition improves the breed " they say and this is a great example! This anodised Billet R180 rear differential cover has been developed off the back of RCM’s inhouse Gobstopper projects which have been used extensively and successfully ...

The Samco range of high performance hose kits offer enhanced reliability and an instant aesthetic improvement to your engine bay Samco turbo intake hoses really are the best in the business. The smooth pipework allows the maximum flow of ai ...

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.

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 ...

Subaru VVT/AVCS O ring Seal V7+

Genuine Subaru one way radiator cap rated to 1.37 Bar of pressure

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 ...