Cosworth GPV8

The GPV8 is a 3.5-litre and 3.8-litre, naturally-aspirated V8 engine, originally designed, developed and produced by Cosworth, for the Lotus T125 open-wheel sports car. The initial 3.5-litre V8 produced 640 hp (477 kW; 649 PS) at 9800 rpm, and 332 lb⋅ft (450 N⋅m) at 7600 rpm. The rev limit of the engine is 10,300 rpm; and can be temporarily raised to 10,800 rpm with a push-to-pass button feature.