Manley Rotating Assembly, BBC 572 4.250 STROKE/4.625/-3cc

If you're building a serious big-block Chevrolet engine, this Manley Performance rotating assembly is a solid foundation. This BBC 572 kit is designed for a 4.250-inch stroke and features 4.625-inch bore pistons with a -3cc dish. It's a well-built package that can handle significant power, making it suitable for high-performance street or track applications where robust internal components are essential.

At the heart of this assembly is a 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with it are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, capable of handling up to 900 horsepower. For those pushing the limits further, optional ARP 2000 cap screws are available, allowing this assembly to support up to 1,500 horsepower. The pistons are forged aluminum from Manley's Platinum Series, featuring a -3cc dish and Premium Chrome Moly wrist pins for reliable operation.

This rotating assembly is a significant investment in your engine build, offering the strength and reliability needed for demanding applications. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always consult with your engine builder or refer to Manley's installation guidelines for proper assembly and tuning procedures to ensure optimal performance and longevity.