Manley 38572HXX BBC Rotating Assembly Stroke Bore Flat Top Pistons - 572 4.250 4.625 3cc

The Manley 38572HXX is a complete Big Block Chevy 572 cubic inch rotating assembly engineered for serious street/strip and competition builds. Featuring a 4.250-inch stroke and 4.625-inch bore, this kit includes Manley's premium forged components matched and assembled for maximum durability and power output.

Key Features:

• 4340 Forged Steel Crankshaft — heat-treated, nitrided, stress-relieved, shot-peened, and magnafluxed for exceptional strength and reliability
• 4340 Forged Steel H-Beam Connecting Rods — with 7/16 in. ARP 8740 cap screws standard; optional ARP 2000 cap screws available for higher power levels
• 2618 Forged Aluminum Platinum Series Pistons — -3cc flat top design with premium Chrome Moly wrist pins for precise compression control
• 4.250 in. Stroke / 4.625 in. Bore — stroker dimensions producing 572 cubic inches of displacement
• Horsepower Rating — up to 900 hp with ARP 8740 cap screws; up to 1,500 hp with optional ARP 2000 cap screws
• Micro-polished journals, gun-drilled mains, and lightened rod journals for reduced rotating weight
• Fully profiled counterweights designed for internal balancing

The Manley 38572HXX BBC 572 stroker rotating assembly is a purpose-built solution for performance engine builders demanding proven forged construction and high horsepower capability in a Big Block Chevrolet platform.