Manley rotating assembly for BBC 565 (4.250" stroke) arrives as a complete, matched rotating system designed for strength, balance and consistent performance under extreme RPM and cylinder pressure. It pairs precision-forged crankshafts with high-strength connecting rods and premium pistons to lower friction and improve load handling. Included are 4340 H-beam rods with 7/16 ARP 8740 (optional ARP 2000), 2618 forged pistons and a 4340 forged crank; supports about 900 hp with ARP 8740 or up to 1,500 hp with ARP 2000 and cites Ford 4.6L application.
Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/-3cc