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Cosworth Sierra Group A rally / fast road engine.
NEW MEGA RARE CYL. BLOCK (wire ringed with group A head gasket), 7.2 : 1 bowled & pocketed pistons, 2wd sump, new HP 4 x 4 oil pump, fully ported cyl. head, BD 14 cams, std / std crank & Cosworth rods (balanced), NEW turbo, anti lag throttle body (!), grey injectors. All tested and mapped, complete with ECU, engine loom, coil, motorsport leads, amplifier, & sensors.