Manley 290960RX SBC 383 Stroker Rotating Assembly Kit 3.750 Stroke 4.060 Bore

The Manley 290960RX is a complete rotating assembly kit designed for building a high-performance 383 cubic inch Small Block Chevy (SBC) stroker engine. Engineered with a 3.750" stroke and sized for a 4.060" bore, this kit provides everything needed to assemble a reliable, power-dense SBC stroker bottom end.

Manley Performance is a trusted name in high-performance engine components, known for precision manufacturing and rigorous quality control. This rotating assembly kit is built to handle the demands of street performance, street/strip, and mild racing applications.

Key Features:

• Designed for 383 cubic inch Small Block Chevy stroker builds
• 3.750" stroke crankshaft for increased displacement and torque
• Sized for a 4.060" bore cylinder diameter
• Manley "RX" series performance rotating assembly
• Precision-balanced components for smooth, high-RPM operation
• Built to OEM-exceeding tolerances for long-term durability
• Ideal for street performance and street/strip applications

The Manley 290960RX rotating assembly kit simplifies the SBC 383 stroker build process by delivering matched, performance-engineered components in a single package. Whether you're building a torque-rich street cruiser or a spirited street/strip combination, this kit delivers the foundation for a dependable and powerful small block Chevy engine.