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Drain-back hose kit for RCM oil catch tanks fitted to single-scroll turbo or pre-2006 Subaru Impreza applications. Made from -8 200 Series stainless steel braided hose, supplied fully assembled with a male/male adapter to replace the sump drain plug.

19-row Setrab oil cooler kit with Goodridge -8 200 Series stainless steel braided hose lines, for the Subaru Impreza 1992-2000 (GC/GF). Includes a thermostatically controlled oil sandwich plate so the cooler only engages when needed.

A complete set of replacement block case bolts, containing all the bolts needed to join the two engine block halves together for a new engine build.

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.

RCM induction kit for early Impreza models (Subaru Impreza 1992-2000 (GC/GF)), available in silver, red or black. Uses the standard air flow meter assembly and a cotton cone filter (170mm high, 160mm diameter flange) with a stainless steel clamping ring.

RCM multi-layer steel cylinder head gasket for the EJ22 engine (2006 onward), 98mm bore with water jacket cut-outs to suit 2006+ cylinder heads. Nitrile-coated, available in two thicknesses and as a single or twin-pack.

RCM TGV (Tumbler Generator Valve) thermal delete kit for 2001-2013 Impreza WRX/STI (GD/GG, GR/GV) and 2003-2007 Forester (SG), available in red or black. Removes the standard butterfly valves, sensors and motors and adds heat spacers to reduce inlet manifold temperature; supplied with a replacement bolt kit and all manifold gaskets.

RCM’s 2.1-litre EJ20 forged stroker kit, built around a Subaru EJ25 heat-treated crankshaft, RCM/Omega forged pistons, RCM/Arrow H-section connecting rods and ACL race bearings, plus a genuine Subaru short block gasket kit and sealer. Piston sizes from 92.00mm standard to 93.00mm oversize are available.

RCM’s 2.1-litre EJ20 billet stroker kit, built around an RCM/Arrow 79mm billet crankshaft, RCM/Omega forged pistons, RCM/Arrow H-section connecting rods and ACL race bearings, plus a genuine Subaru short block gasket kit and sealer. Piston sizes from standard to 0.50mm oversize are available.

RCM’s 2.1-litre EJ20 budget forged stroker kit, built around a Subaru EJ25 heat-treated crankshaft, RCM/Omega forged pistons, Manley H-beam connecting rods and ACL race bearings. Piston sizes from 92.00mm standard to 93.00mm oversize are available — see options above.