Manley 28632RX Race Series BBC 632 Piston Kit 4.600 Bore 4.750 Stroke -3cc

The Manley 28632RX is a Race Series piston kit designed for Big Block Chevy (BBC) 632 cubic inch stroker engine applications. Built to Manley's exacting performance standards, this kit pairs a 4.750-inch stroke with a 4.600-inch bore and features a -3cc dish design, allowing builders to precisely dial in compression ratios for high-performance street, strip, or race applications.

Key Features:

• Application: Big Block Chevy (BBC) 632 cubic inch stroker combination
• Bore Diameter: 4.600 inches
• Stroke: 4.750 inches
• Dish Volume: -3cc (slightly dished crown for compression tuning)
• Series: Race Series (RX) — engineered for high-stress, high-RPM performance use
• Forged construction for superior strength and thermal resistance
• Precision CNC machined for tight tolerances and consistent ring seal
• Designed to work with stroker rotating assemblies in 632 BBC builds

Manley Performance is a trusted name in the performance engine industry, manufacturing forged pistons, connecting rods, and valvetrain components for racing and high-performance street applications. The 28632RX piston kit is an ideal foundation for a serious BBC 632 build requiring reliable, race-proven bottom-end components.