Manley rotating assembly built for high-demand engines combines precision-forged crankshafts, 4340 forged steel H-beam connecting rods, and 2618 forged aluminum Platinum Series pistons into a matched system for durability and balance. Components are chosen for tight tolerances and superior load handling; hardware options include ARP 8740 or optional ARP 2000 cap screws, with rated capability up to roughly 900 hp with ARP 8740 and up to 1,500 hp with ARP 2000 in supported configurations.
Manley BBC 615 4.625in Stroke x 4.600in Bore +43cc Piston Rotating Assembly