Manley 39555R Big Block Chevy Stroker Rotating Assembly Kit Stroke Bore - 555ci 4.250 4.560

The Manley 39555R is a high-performance Big Block Chevy (BBC) 555 cubic inch stroker rotating assembly kit, engineered for serious engine builders seeking maximum displacement and power from the classic GM big block platform. Built to Manley's exacting tolerances, this kit delivers the foundation for a race-ready or high-output street/strip 555ci BBC engine.

Key Specifications:

• Engine Family: Big Block Chevrolet (BBC)
• Displacement: 555 cubic inches
• Stroke: 4.250 inches
• Bore: 4.560 inches
• Piston Volume: 43cc

Features & Benefits:

• Precision-machined components designed for tight tolerances and optimal balance
• Engineered to work together as a matched rotating assembly for simplified engine building
• Manley's renowned quality construction using premium materials for durability under high-stress, high-RPM conditions
• Ideal for street/strip, drag racing, and high-performance engine builds requiring maximum cubic inch displacement
• Designed as a complete rotating assembly kit, reducing guesswork and component compatibility concerns

Manley Performance has been a trusted name in high-performance engine components for decades, producing rotating assemblies, pistons, rods, and valvetrain components used by professional engine builders and racers worldwide. The 39555R rotating assembly is a premier choice for anyone building a 555ci Big Block Chevy powerplant.