Manley 290300RHX Small Block Chevy Stroker Rotating Assembly Kit Stroke Bore - 434ci 4.000 4.125

The Manley 290300RHX is a complete Small Block Chevy (SBC) 434 cubic inch stroker rotating assembly kit, engineered for enthusiasts and builders seeking a significant power upgrade over a standard displacement SBC. Designed around a 4.000" stroke and a 4.125" bore, this kit delivers the displacement and strength needed for serious street, strip, or competition builds.

Manley Performance has built its reputation on precision-machined, high-strength engine components. This rotating assembly kit brings together Manley's expertise in forged internals to provide a reliable foundation for a high-output small block Chevy engine build.

Key Features:

• Engine Family: Small Block Chevrolet (SBC)
• Displacement: 434 cubic inches
• Stroke: 4.000"
• Bore: 4.125"
• Manley Part Number: 290300RHX
• Designed for high-performance street, strip, and competition applications
• Built to Manley's strict quality and dimensional tolerances
• Engineered for strength and durability under high-load, high-RPM conditions

Always verify all component specifications against your specific block and cylinder head combination before installation.