The crossplane or cross-plane is a crankshaft design for piston engines with a 90° angle between the crank throws. The crossplane crankshaft is the most popular configuration used in V8 road cars.
Ford V8 crankshaft
1963 BRM P578 with individual exhaust stacks.
This is a modern, less serpentine street version of the crossover exhaust on a Ford GT40.
A NASCAR V8 engine with Tri-Y exhaust
A crankshaft is a mechanical component used in a piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating shaft containing one or more crankpins, that are driven by the pistons via the connecting rods.
Crankshaft, pistons and connecting rods for a typical internal combustion engine
Marine engine crankshafts from 1942
Flying arm (the boomerang-shaped link between first and second crankpins) on a crankshaft)
Forged crankshaft