
Fresh air ALS (Anti Lag System) Valve sensor as used on all the Gobstopper projects. This is listing is for the valve sensor which mounts to the top of the valve.

A must-have tool for efficient brake servicing, the RCM Brake Caliper Piston Spreader is designed to quickly and safely retract caliper pistons when replacing brake pads. Engineered for both professional workshops and performance enthusiast ...
Designed to simplify the installation of rear-side stretch belts on compatible Subaru models. Unlike conventional tools, this belt guide ensures secure engagement with the multi-rib crank pulley and incorporates a durable steel belt stopper ...

RCM 22B Front Wings & Rear Quarter Steel Panel Kit.

RCM 22B RH Front Wing Steel Panel

RCM 22B LH Front Wing Steel Panel

RCM 22B LH Rear Quarter Steel Panel

RCM 22B RH Rear Quarter Steel Panel

RCM Replacement Diaphragm – Performance Fuel Pressure Regulators Maintain peak performance. Preserve total control. Ensure your RCM Performance Fuel Pressure Regulator continues to deliver the precision and reliability your Subaru tuning se ...
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 ...

RCM High Performance Black Induction Kit (STI & WRX 1996–2000) Developed in-house by Roger Clark Motorsport, the RCM High Performance Induction Kit has been expertly engineered to deliver greater airflow, sharper throttle response, and ...

RCM Subaru EJ# Line bore & Main Bearing Pinning Process At RCM Engineering, precision, reliability, and performance are engineered into every stage of our Subaru EJ-series engine preparation. Developed from our Gobstopper program, our c ...
Subaru EJ# Line bore Engineering Process At RCM Engineering, precision is at the heart of everything we do. Our Subaru EJ-series line bore process has been developed and refined over decades of building and maintaining championship-winning ...

Now these are a great way to finish off your price and joy. Not only do these high quality, heavy duty mat sets look great, but they also protect and keep your cars carpet clean. They are custom made to perfectly fit the floor pan of your S ...

Now these are a great way to finish off your price and joy. Not only do these high quality, heavy duty mat sets look great, but they also protect and keep your cars carpet clean. They are custom made to perfectly fit the floor pan of your S ...

RCM Power Parts Motorsport DCCD Magnet Upgrade – Subaru 2001–2005 Developed by Roger Clark Motorsport, this Motorsport DCCD Magnet Upgrade is designed to deliver enhanced performance and reliability for Subaru 6-speed gearboxes (2001–2005). ...

RCM Dry Sump Pump to Pan O-Ring Seal For RCM Subaru EJ Series Dry Sump System This O-ring provides a precise, leak-free seal between the RCM dry sump pump and oil pan. Made from high-temp, oil-resistant material, it ensures reliable perform ...

RCM Dry Sump Pan to Block O-Ring Seal For Subaru EJ Series (RCM Dry Sump Systems) This high-quality O-ring provides a secure, leak-free seal between the RCM dry sump oil pan and the engine block on Subaru EJ engines. Made from oil- and heat ...

Replacement Oil Pump Pulley Nut – RCM Subaru EJ Series Dry Sump Kits This is a direct replacement oil pump pulley nut for use with RCM's Subaru EJ Series Dry Sump Kits. The nut is compatible with box options 28mm Wide Pulley – Suited for ...

Replacement Oil Pump Pulley – RCM Subaru EJ Series Dry Sump Kits This is a direct replacement oil pump pulley for use with RCM's Subaru EJ Series Dry Sump Kits. Two pulley options are available: 28mm Wide Pulley – Suited for pre-2025 dry ...
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 ...

Roger Clark Motorsport - Mityvac Vacuum Tester Welcome to Roger Clark Motorsport, where we provide high-quality tools and equipment to meet the demands of automotive professionals and enthusiasts. We are proud to offer the Mityvac Vacuum ...
RCM Engineering - Conversion of x1 Cylinder head to be compatible with 14mm head stud. Price is for the conversion of x1 cylinder head.

At the heart of a Gobstopper engine is the incredible 2.0 litre EJ20 Closed deck block.