Manley 39572RHX BBC Rotating Assembly Stroke Bore Dome Pistons - 572 4.250 4.625 43cc

The Manley 39572RHX is a complete Big Block Chevy 572 cubic inch rotating assembly built for serious performance applications. Featuring a 4.250-inch stroke, 4.625-inch bore, and +43cc dome pistons, this kit delivers the displacement and compression needed for high-horsepower street and race builds.

Key Features:

• 4340 Forged Steel Crankshaft – Stress-relieved and precision-machined for maximum durability under high-load conditions
• 4340 Forged Steel H-Beam Connecting Rods – Fitted with 7/16" ARP 8740 cap screws standard; ARP 2000 cap screws available for higher horsepower applications
• 2618 Forged Aluminum Platinum Series Pistons – +43cc dome configuration with Premium Chrome Moly wrist pins for strength and heat resistance
• Horsepower Rated – Up to 900 HP with ARP 8740 fasteners; up to 1,500 HP with optional ARP 2000 cap screws
• 572 Cubic Inch Displacement – 4.250-inch stroke paired with 4.625-inch bore for maximum cubic inch output from a Big Block Chevy platform

Manley Performance rotating assemblies are engineered for enthusiasts demanding maximum output from their engine builds. The 39572RHX is an ideal foundation for high-performance street machines, drag racing applications, and oval track builds requiring proven, race-grade internal components.