Manley Rotating Assembly, BBC 572 4.250 STROKE/4.625/+43cc

Manley Performance is well-known for making strong internal engine components, and this BBC 572 rotating assembly is a prime example of their commitment to robust parts. If you're building a big-block Chevrolet engine and need a solid foundation for serious power, this assembly is designed to handle the demands. It includes a 4.250-inch stroke crankshaft, H-beam connecting rods, and custom pistons, all engineered to work together seamlessly for optimal engine performance.

The heart of this assembly is the 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with 4340 forged steel H-beam connecting rods, which come standard with 7/16? ARP 8740 cap screws, this setup is built to withstand significant forces. For those pushing the limits, there's an option to upgrade to ARP 2000 cap screws, allowing this assembly to reliably handle up to 1,500 horsepower. The pistons are made from 2618 forged aluminum, part of Manley's Platinum Series, and include Premium Chrome Moly wrist pins, ensuring they can endure the heat and pressure of high-performance combustion.

This rotating assembly is a complete package for builders aiming for substantial horsepower figures, rated for up to 900 horsepower with the standard ARP 8740 bolts and up to 1,500 horsepower with the optional ARP 2000 bolts. Please note that this assembly is not CARB approved and cannot be shipped to California. It's a serious component for serious engine builds where reliability and power are paramount.