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

The Manley 38572X is a complete Big Block Chevy 572 cubic inch rotating assembly engineered for serious street, strip, and competition applications. Built around a 4.250" stroke and 4.625" bore, this kit pairs a forged crankshaft with Manley's Platinum Series pistons featuring a -3cc flat top piston crown for near-zero deck compression tuning flexibility.

Rotating Assembly Components:

• Crankshaft: 4340 forged steel construction, stress-relieved, shot-peened, and magnafluxed for maximum durability
• Connecting Rods: 4340 forged steel H-Beam rods with 7/16" ARP 8740 cap screws (ARP 2000 upgrade available)
• Pistons: 2618 forged aluminum Platinum Series with -3cc flat top crown and premium Chrome Moly wrist pins
• Bore Diameter: 4.625"
• Stroke: 4.250"
• Piston Volume: -3cc (flat top)

Performance Capability:

• Rated for up to 900 HP with ARP 8740 cap screws
• Rated for up to 1,500 HP with optional ARP 2000 cap screws
• Suitable for naturally aspirated, nitrous, and forced induction builds

Manley rotating assemblies are purpose-built for performance enthusiasts demanding precision-machined internals that can withstand extreme power levels. The -3cc flat top piston design allows for precise compression ratio targeting when combined with your choice of cylinder heads and gaskets. This assembly is intended for use in Big Block Chevy applications requiring a tall-deck block configuration.