
Specification - RCM Impreza GC8
Engine - EJ20 2.0-litre closed-deck Subaru cylinder block, RCM Extreme Arrow conrods, RCM 75mm steel crankshaft, RCM Omega flat-top pistons (coated), STi4 cylinder heads with WRC/RCM O-ring head gaskets and gas rings, one-piece Nimonic exhaust valves, one-piece stainless-steel inlet valves, RCM uprated valve springs, plasma-nitrided titanium valve-spring caps, WRC main and big-end bearings, WRC R-Profile high-wrap cam-belt system, RCM-modified oil pump, WRC S10 magnesium inlet manifold, RCM eight-injector kit with RCM distribution block, RCM 72mm throttle body, RCM 5.0-litre light-alloy sump, WRC short-runner exhaust manifold, Garrett GT35-40 turbocharger with speed sensor, K&N air filter with RCM 100mm inlet trumpet, RCM high-flow intercooler with twin-tube core and 70mm stainless-steel connecting pipework, M800 MoTeC ECU with traction control, nitrous control, anti-lag, paddle-shift control, full engine management and data logging, MoTeC LCD dashboard with data logging, Defi gauges for turbo, oil and fuel pressure, custom wiring loom, fusebox and electrical switchgear, FIA-spec 26-litre rubber/Kevlar bag tank inside aluminium shell, twin Bosch fuel pumps, Goodridge Aeroquip fuel lines, fuel cooler with cooling fan on return line, 750cc Bosch injectors, twin SX fuel regulators, full wet nitrous-oxide system with 12lb carbon-fibre bottle and heater jacket and high-flow shark nozzle, MoTeC auto control or driver manual system
Performance - Maximum power 850bhp
Transmission - Six-speed Subaru gearbox casing modified for sequential housing, six-speed Modena gear kit, RCM sequential system, RCM paddle-shift system, Subaru 3.9:1 front pinion, R180 STi rear axle, plated Modena front and LSD, plated centre differential with 1:1 uprated output Modena gears, GKN rally drive shafts front and rear, Torqueline carbon-fibre propeller shaft, RCM-spec triple-plate alloy-cover OS Giken clutch and lightweight steel flywheel, RCM hydraulic light-pressure system, quick-release dry brake-fluid connection
Suspension - WRC-spec exe-tc fully-adjustable dampers, STi Rose-jointed rear lateral links and rear trailing links, exe-tc bottom Rose-jointed upright bushes, STi alloy front arms (polished), STi quick steering rack
Brakes - Front: AP 355mm six-pots (track and road use), AP 304mm four-pots (drag strip use). Rear: AP 290mm four-pots with floating discs. RCM hydraulic carbon handbrake, stainless-steel Goodridge pipework and fittings, Ferodo pads
Wheels & tyres - Road/track use: Speedline 19x8 forged alloy one-piece rims with 225/40x18 Pirelli Corse tyres Drag strip use: 15x8 spun-alloy three-piece rims with 26x10.5x15 Mickey Thompson drag radials
Exterior - WRC steel arches, WRC front and rear bumpers, WRC carbon rear spoiler with modified blades, FIA T45 multi-point welded-in rollcage, STi alloy bonnet with RCM heat-extraction vents and gas struts, heated front windscreen, WRC non-heated lightweight rear screen, WRC carbon mirrors, RCM graphics package. Weight 1120kg
Interior - FIA carbon/Kevlar Recaro seats, FIA Sabelt six-point harness, carbon door cards, WRC roller-bearing single-piece steering column and STi5 quick rack, Momo suede steering wheel with RCM sequential paddle shifter, fully sequential gear shift, Defi gauges, custom fusebox and switchgear, nitrous gauge in dash-top box, custom battery box, MoTeC ECU mount, race pedal set, full wet nitrous system
Power=850 bhp
Weight=1120 kgs