Engine

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 / WRX STI models. Please confirm your model year with Scooby Upgrades before ordering, as fitment years differ across the listing.

RCM Powerparts performance camshaft kit for Subaru Impreza V1-V4 (GC/GF), 1992-2000. Please contact Scooby Upgrades for full specification and kit contents before ordering.

An adaptor that bolts into an existing block bung location, allowing a Defi-type sensor to be fitted to monitor oil temperature or oil pressure. Removes the need for a sandwich plate behind the oil filter to run more than one sensor.

RCM heavy duty block case location dowels (pair), used to replace the standard Subaru dowels between the block halves. Thicker than standard and threaded for easier removal.

Billet fuel rail conversion for the V5/6 inlet manifold on Subaru Impreza GC/GF (1992–2000), allowing higher-flow top feed injectors to be fitted in place of the manifold’s standard injector type. T6061 aluminium extrusion with a black anodised finish.

Billet fuel rail conversion for the V3/4 inlet manifold on Subaru Impreza GC/GF (1992–2000), allowing higher-flow top feed injectors to be fitted in place of the manifold’s standard injector type. T6061 aluminium extrusion with a black anodised finish.

Billet fuel rail conversion for the V1/2 inlet manifold on Subaru Impreza GC/GF (1992–2000), allowing higher-flow top feed injectors to be fitted in place of the manifold’s standard injector type. T6061 aluminium extrusion with a black anodised finish.

A right-hand drive under-bonnet installation kit for the EJ20/22/25 dry sump system on Subaru Impreza GC8/GF8. Includes an 8-litre-capacity oil tank with integral breather venting the heads and crankcase, and Goodridge fittings and oil lines.

Forged piston set manufactured by Omega Pistons for a 2.35-litre stroker configuration of the Subaru EJ22 engine. Supplied in 97.00mm standard bore plus 97.25mm, 97.50mm and 98.00mm oversize.

RCM Street Spec forged 4340-steel connecting rod set, positioned between OE and the Arrow H-Section rods and rated by RCM up to 400bhp. Weight-matched to within 1.5g and supplied with 3/8in ARP 2000 fasteners. Not recommended for sequential or flat-shift gearboxes.