Manley 29572RHXX Big Block Chevy Rotating Assembly Stroke Bore Dome - 572 Kit 4.250 4.625 43cc

The Manley 29572RHXX is a complete high-performance rotating assembly kit engineered for Big Block Chevrolet 572 cubic inch stroker engine builds. Designed for standard deck (9.800") blocks, this kit delivers everything needed at the bottom end of a serious performance or racing engine in a single, precision-matched package.

Kit Includes:

• Crankshaft: 4340 forged steel, non-twist lightweight design with a 4.250" stroke — heat treated, stress relieved, shot peened, nitrided, and 100% Magnafluxed for maximum integrity
• Connecting Rods: 4340 forged steel H-beam design with 7/16" ARP 2000 cap screws (rated to 1,500 hp) — also heat treated, stress relieved, shot peened, nitrided, and 100% Magnafluxed
• Pistons: Manley 2618 forged aluminum Platinum Series with a 4.625" bore diameter and +43cc dome for high-compression applications, paired with premium chromoly wrist pins
• Piston Rings: Total Seal 1/16" – 1/16" – 3/16" file-fit piston rings
• Bearings: Clevite "H" Series high-performance narrowed rod bearings and main engine bearings

Key Specifications:

• Engine Family: Big Block Chevrolet (BBC)
• Displacement: 572 CID
• Stroke: 4.250"
• Bore: 4.625"
• Piston Dome Volume: +43cc
• Deck Height: Standard 9.800"
• Balance: Internally balanced, precision-balanced in-house by Manley
• Horsepower Capability: Up to 1,500 hp with ARP 2000 cap screws

Each Manley rotating assembly is precision internally balanced in-house, ensuring superior balance quality right out of the box. The +43cc dome pistons are ideal for high-compression BBC builds targeting maximum power output on race fuel. This kit is a trusted foundation for serious street/strip and full race Big Block Chevy applications.