Manley 290930RHX SBC Stroker Kit Stroke Bore Small Block Chevy Engine Crankshaft Rotating Assembly - 383 3.750 4.030

The Manley 290930RHX is a high-performance stroker rotating assembly kit designed for the popular Small Block Chevy (SBC) 383 cubic inch combination. Built around a 3.750-inch stroke and a 4.030-inch bore, this kit provides everything needed to build a stout 383 stroker bottom end capable of handling serious street and track abuse.

Manley Performance is renowned for manufacturing precision-forged engine components used in everything from high-output street builds to professional racing applications. This kit reflects that heritage with components engineered to tighter tolerances than OEM, ensuring proper fitment and long-term durability under high-stress conditions.

Key Features:

• Designed for the Small Block Chevy 383 stroker configuration
• 3.750-inch stroke crankshaft specification
• 4.030-inch bore specification
• Manley Race Series quality components with forged construction
• Engineered for high-performance street and competition use
• Precision-balanced rotating assembly components
• Designed for use with standard SBC blocks

Whether you're building a high-torque street cruiser or an all-out performance engine, the Manley 290930RHX stroker kit delivers the strength and precision required to maximize power output and engine longevity. Trust Manley's decades of motorsport engineering to anchor your next SBC 383 build.