RCM

Prodrive/Alcon 330mm 4-pot front brake caliper kit, originally fitted to the Subaru Impreza P1 (1998-2000) and reintroduced by RCM and Alcon under licence from Prodrive. Complete bolt-on kit with Ferodo DS Performance pads, fitting under a range of 17-inch wheels.

This 14mm/12mm head stud kit from RCM uses aircraft-grade S99 steel studs to replace the standard 11mm Subaru head bolts, offering higher tensile strength and clamping force. Source material describes it as suited to higher-output EJ20/22/25 builds.

This 14mm/14mm head stud kit from RCM uses aircraft-grade S99 steel studs to replace the standard 11mm Subaru head bolts, offering higher tensile strength and clamping force. Source material describes it as suited to higher-output EJ20/22/25 builds.

This Extreme 11mm head stud kit from RCM (reference RCM1540) uses aircraft-grade S99 steel studs with a manufacturer-stated tensile strength in excess of 237,000 psi (1640 MPa). Supplied with RCM assembly lubricant. Vehicle fitment needs confirmation.

RCM multi-layer steel cylinder head gasket for the EJ20 engine. Nitrile-coated, available in three thicknesses and as a single or twin-pack. Two gaskets are needed for a full engine build.

RCM 340 high-output in-tank electric fuel pump kit, supplying up to 340 litres/hour and directly replacing the standard fuel pump assembly. Fits via the floor pan inspection cover on turbocharged Impreza models from 1992-2007. Please confirm compatibility with your specific vehicle before ordering.

Top feed billet fuel rail pair for Spec-C spec Subaru Impreza GD/GG (2003–2007, Blobeye/Hawkeye), designed for performance top feed injectors. T6061 aluminium extrusion with a black anodised finish.

Top feed billet fuel rail pair for UK, USDM and Euro spec Subaru models, designed for OEM top feed injectors. T6061 aluminium extrusion with a black anodised finish. A higher-flow performance version is available separately (RCM3366).

A rubber-flap baffle plate for the Subaru sump pan, designed to reduce oil surge and keep oil around the pick-up pipe during hard cornering. Recommended for fast road, track, rally and sprint use, and can be paired with a baffled sump for extra oil control.

RCM’s black billet aluminium oil separator cover kit, based on the genuine Subaru design with increased material thickness. Fitted with the correct sealer and torque, it is intended to reduce the oil leaks associated with the original cast, plastic or pressed-steel covers.