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Arrow Precision billet crankshaft, 79mm, sold under the RCM/Arrow name for Subaru applications, reverse engineered from the OEM design. Please contact Scooby Upgrades to confirm compatibility with your vehicle before ordering.

Forged piston set manufactured by Omega Pistons for the EJ20 engine. Supplied in 92.00mm standard bore plus 92.25mm and 92.50mm oversize. Listed for GC/GF-chassis Subaru Impreza (1992-2000).

RCM/STI Modified hardened 5-speed gearbox mount for the Subaru Forester/Impreza/Legacy range, 1992-2007. Based on the STI mount with additional reinforcing material for track use.

RCM alloy/steel vernier camshaft pulley set, listed for Subaru Impreza GC8/GF8 (1999-2001). Anodised black alloy outer with a stainless steel inner hub, laser-etched timing markings and a one-piece belt guide. Supplied with ARP high-strength bolts. Please confirm exact model fitment before ordering.

RCM alloy/steel vernier camshaft pulley set for Subaru Impreza 1996-1998 (V3-V4). Anodised red alloy outer with a stainless steel inner hub, laser-etched timing markings and a one-piece belt guide. Supplied with ARP high-strength bolts.

High-compression forged piston set manufactured by Omega Pistons for the EJ20 engine, adding 5cc of compression volume. Supplied in 92.00mm standard bore plus 92.25mm and 92.50mm oversize.

A Track Attack oil catch tank kit for right-hand drive Subaru Impreza EJ20 applications (1992–2007). Vents crankcase and cylinder head vapours into a separate tank, with a supplied drain hose returning separated oil to the sump. Please contact Scooby Upgrades to confirm compatibility with your vehicle before ordering.

An oil catch tank for right-hand drive Subaru Impreza GC8/GF8 (1992–2000), supplied as the tank only, for use with your own breather lines and fittings. Please contact Scooby Upgrades to confirm compatibility with your vehicle before ordering.

High-compression forged piston set manufactured by Omega Pistons for the EJ20 engine, adding 10cc of compression volume. Supplied in 92.00mm standard bore plus 92.25mm and 92.50mm oversize.

Air conditioning delete kit that replaces the factory bracket holding the alternator and AC pump with a smaller, lighter aluminium bracket. Includes new fixings to mount the bracket and support the alternator.