Manley rotating assembly for BBC 598 with a 4.500" stroke is a complete, matched system engineered for maximum strength and balance in extreme-demand engines. Precision-forged crankshafts, high-strength connecting rods and premium pistons are combined and balanced to reduce friction and handle high RPM and cylinder pressures. The kit includes 4340 forged H-beam rods with 7/16 ARP 8740 (optional ARP 2000), 2618 forged pistons and a 4340 forged crank; supports roughly 900 hp with ARP 8740 or up to 1,500 hp with ARP 2000 and references Ford 4.6L fitment.
Manley Rotating Assembly, BBC 598 4.500 STROKE/4.600/-3cc