The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics meet high end performance. What you see here is the result of years of research and testing, ...
The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics meet high end performance. What you see here is the result of years of research and testing, ...
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 ...
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 ...
This bolt-on, integrated performance upgrade simultaneously solves the two most significant bottlenecks in the EJ-series intake system: air restriction and fuel supply. This Dual Fuel Rail Tumbler Delete Kit, CNC machined from billet alumi ...
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 ...
PWR Subaru Impreza Alloy Radiator Assembly – GR/GH/GE/GP (2008+) Unlock exceptional cooling performance for your 2008-onwards Subaru Impreza with the PWR Alloy Radiator Assembly—engineered to deliver maximum efficiency, durability, and reli ...
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 ...
Brembo Gran Turismo (GT) Brake Systems The most complete range of performance braking upgrades on the market. Brembo’s Gran Turismo (GT) Systems deliver exceptional stopping power and precision, both for everyday driving and on-track perfor ...
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 ...
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 ...
STI Chromoly Lightweight Flywheel – ST123104S000 Optimised for 6‑Speed PerformanceCrafted from high-strength chrome‑molybdenum steel, this flywheel trims rotational mass compared to stock units—delivering noticeably sharper throttle respons ...
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 ...
Brembo 6POT monoblock front brake caliper kit. Multi-grooved rotors with high heat dissipation performance and STI racing brake pads. This improves fade resistance during sports driving, such as on winding roads and circuits, and achieves p ...
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.
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 ...