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RCM O-ringed thermal spacer kit (V7+) for Subaru Impreza / WRX STI 2008-2013 (GR/GV); Subaru Impreza 2001-2002 (GD/GG Bugeye); Subaru Impreza 2003-2005 (GD/GG Blobeye); Subaru Impreza 2006-2007 (GD/GG Hawkeye). Phenolic spacers isolate the inlet manifold from cylinder head heat, using an integral double O-ring seal that removes the need for conventional gaskets.

RCM Lightweight ancillary pulley kit for V8+ Impreza, retains air-con. 1.18kg vs OEM, a stated 1.95kg saving.

RCM Super Lightweight ancillary pulley kit for V8+ Impreza, no air-con. 850g vs OEM, a stated 2.33kg saving.

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.

RCM power steering reservoir relocation kit for the Subaru Impreza 1992-2000 (GC/GF). Allows the reservoir to be moved away from the power steering pump; useful when fitting a larger turbo intake hose.

RCM stainless steel open neck de-cat downpipe for Euro-spec Impreza models (2001-2004/2005), not suitable for twin scroll turbo. 3″ pipework reducing to 2.5″ at the RCM330 downpipe junction, rated for use up to 350bhp. Fitting this part will alter engine emissions.

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.

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.

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.

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.