Manley 290140 SBC Stroker Rotating Assembly Stroke Bore - 383 3.750 4.040

The Manley 290140 is a high-performance Small Block Chevy (SBC) 383 cubic inch stroker rotating assembly, engineered for serious street and race engine builds. Designed around a 3.750-inch stroke and 4.040-inch bore, this kit delivers the displacement increase enthusiasts demand from a classic 350 block without sacrificing reliability or precision fitment.

Manley Performance is renowned in the racing industry for producing components built to exacting tolerances, and this SBC 383 stroker assembly is no exception. Whether you're building a high-torque street machine or a dedicated performance engine, this kit provides a solid foundation for maximizing power output from the venerable small block Chevy platform.

Key Specifications:

• Engine Platform: Small Block Chevy (SBC)
• Displacement: 383 Cubic Inches
• Stroke: 3.750 inches
• Bore: 4.040 inches
• Manufacturer Part Number: 290140
• Designed for use with standard SBC 350 block
• Built to Manley's high-performance manufacturing standards

Manley rotating assemblies are precision-balanced and manufactured from high-strength materials to handle the demands of increased displacement and elevated power levels. This assembly is an ideal choice for builders looking to extract maximum performance from the SBC platform.