Manley 39565HX BBC 565ci 4.250 Stroke 4.600 Bore Rotating Assembly Kit 43cc Dome

The Manley 39565HX is a complete Big Block Chevy (BBC) 565 cubic inch rotating assembly kit designed to maximize displacement and power output from your Big Block Chevy engine. Built around a 4.250-inch stroke and matched for a 4.600-inch bore, this rotating assembly delivers the critical bottom-end foundation for a serious high-performance or racing BBC build.

This kit features 43cc dome pistons, providing the compression geometry needed for high-output naturally aspirated or power-adder applications. Manley's rotating assemblies are renowned in the performance engine building community for their precision manufacturing, tight tolerances, and use of premium forged materials capable of withstanding the extreme loads of race and high-performance street use.

Key Features:

• Application: Big Block Chevy (BBC)
• Displacement: 565 cubic inches
• Stroke: 4.250 inches
• Bore: 4.600 inches
• Piston Style: 43cc Dome
• Complete rotating assembly kit — matched components engineered to work together
• Manufactured by Manley Performance, a trusted name in high-performance engine components
• Suitable for demanding street performance and racing applications