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 ...

Quality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part. ...

RCM Engineering- Sealed Block Wet Media Clean
Precision block face skimming for Subaru EJ cases.Price is per block face skim. Ensures a perfectly flat mating surface for optimal head gasket seal—critical for reliability and performance. Carried out with meticulous attention to detail, ...
RCM Engineering - Rebore & Plateau Hone 4 cylinder Block Assembly.
RCM Engineering - 14mm Stud Conversion

GSC Power-Division billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suit the high horsepower Subis. With a power range of 700 WHP and up, you need some certain mods to utilize the true potential of the S3s: bu ...

GSC Power-Division billet S2 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: b ...

The GSC Power-Division billet S1 camshafts for the EJ205 WRX Version 5 and 6. These will not drop any low end power, but actually cause faster spool of the turbo, creating more power and torque across the entire RPM range. Good for stock t ...

GSC Power-Division billet S3 camshafts for the Subaru EJ207 version 7 and above with single AVCS. These camshafts are designed for drag use only, fully built engines with a power range of 750-1,300 WHP and an RPM range of 4,500-9,500. Cert ...

Genuine Alcon parts allow you to carry out caliper refurbishment correctly and safely. We only stock genuine Alcon parts. This listing is for both piston sizes of caliper piston found on the Prodrive Alcon caliper. These can be purchased si ...
This is the GPN Homologated 6 Speed STI Quick Shift Kit for the GD Impreza models. This comes as a complete assembly as shown and is a direct fit with no modifications required. The kit shortens the gearstick travel distance during gearchan ...

An essential part of modifying your Impreza engine is having the ability to supply the cylinder with enough fuel during the combustion process. Our 2600cc high performance, top feed injectors are designed to fit Impreza's from 2001 onwards ...
This is a genuine Subaru STI boot decal and comes supplied with the locating template to ensure you have it in the right position! Has your existing badge discoloured?.....weathered? or even missing?...or are you looking for the last finish ...

RCM Motorsport V-Band Rotated Turbo Kit - Garrett Turbo Fitment - GR/GV Impreza.

RCM Motorsport V-Band Rotated Turbo Kit - Garrett Turbo Fitment - 2001-2007 GD Impreza.

RCM Motorsport V-Band Rotated Turbo Kit - Garrett Turbo Fitment - GR/GV Impreza.

A brand new genuine Subaru 2.2 EJ22T Closed Deck Block Short Engine. The ultimate basis for any performance Subaru tuning!

A replacement friction top plate for EXEDY Twin Plate & Triple Plate.

A replacement friction plate for EXEDY Twin Plate- Friction Plate A. Exedy part number for this plate is DM16DA.

Our Billet Oil Seperator Cover is the perfect addition to any engine build to guard against future oil leaks. Throughout the years Subaru produced oil separator covers using a variety of materials such as: cast aluminium, plastic and press ...

To achieve maximum on-track performance for your Subaru without valve spring failures, proper selection and testing of those components is critical to help maintain high-performance engines. We use this very tool in the RCM engine build roo ...