Manley 39572HXX BBC Stroker Kit Stroke Bore Engine Piston Set - 572 4.250 4.625 43cc

The Manley 39572HXX is a complete Big Block Chevy (BBC) 572 Stroker Kit engineered for high-performance and competition engine builds. Designed around a 4.250-inch stroke and 4.625-inch bore, this kit delivers the displacement and rotating assembly components needed to build a reliable, power-dense 572 cubic inch Big Block Chevrolet engine.

Manley Performance has long been a trusted name in professional racing and high-performance engine building. Their stroker kits are precision-manufactured to tight tolerances, ensuring proper fit, balance, and durability under extreme operating conditions.

Key Specifications:

• Application: Big Block Chevrolet (BBC)
• Displacement: 572 Cubic Inches
• Stroke: 4.250 inches
• Bore: 4.625 inches
• Piston Dish Volume: 43cc
• Part Number: 39572HXX
• Brand: Manley Performance

Kit Contents:

• Manley forged performance pistons (43cc dish)
• Wrist pins and pin retainers
• Piston ring sets
• Performance connecting rods
• Forged crankshaft (4.250" stroke)

The 43cc dish piston design is ideal for use with high-compression cylinder heads, providing optimal quench and combustion chamber compatibility for street/strip and all-out race applications. Manley's H-beam or I-beam connecting rods (depending on configuration) are rated for high-horsepower and high-RPM use, making this kit suitable for naturally aspirated, supercharged, or nitrous-assisted builds.

Whether you're building a bracket racing engine, a street/strip powerplant, or a dedicated competition motor, the Manley 39572HXX BBC 572 Stroker Kit provides the foundation for a professional-grade rotating assembly.