Manley rotating assembly for BBC 565 with a 4.250" stroke is engineered as a complete, matched system to provide strength, balance and consistent performance under high RPM and cylinder pressures. It combines precision-forged crankshafts, high-strength connecting rods and premium pistons to reduce friction and improve load handling. Features include 4340 forged 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 fitment.
Product Description
Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/-3cc
Additional Product Details
Manley Rotaing Assembly, FORD 4.6L 3.543 STROKE/3.572/-6.5cc DISH
Features & Benefits
4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 or optional ARP 2000 cap screws
Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws
2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins
4340 Forged steel crankshaft
Manufacturer Description
Manley Rotating Assemblies are engineered as complete, matched systems to deliver maximum strength, balance, and performance in high-demand engines. Featuring precision-forged crankshafts, high-strength connecting rods, and premium pistons, each component is designed to work together seamlessly for optimal durability and efficiency. Tight tolerances and careful material selection ensure excellent load handling, reduced friction, and consistent performance under extreme RPM and cylinder pressure. By combining Manley’s proven rod, piston, and crank technologies into a unified package, these assemblies provide the reliability and confidence engine builders demand when pushing the limits of power.