Manley 290960H SBC 383 Stroker Kit 3.750" Stroke / 4.060" Bore H-Beam Rods

The Manley 290960H is a complete 383 cubic inch stroker kit for Small Block Chevy (SBC) engines, combining a 3.750-inch stroke crankshaft with 4.060-inch bore pistons to deliver a serious displacement upgrade from the standard 350 SBC platform. Designed for performance street and racing applications, this kit is engineered to Manley's exacting tolerances for reliability under high-horsepower conditions.

Key Features:

• 3.750" Stroke – Forged crankshaft engineered for increased displacement and torque output
• 4.060" Bore – Matched forged pistons sized for a .060-over 383 stroker build
• H-Beam Connecting Rods – High-strength H-beam rods (denoted by the "H" suffix) provide superior tensile strength for boosted or high-RPM applications
• Precision-balanced and matched components for reduced engine vibration
• Designed specifically for Small Block Chevy 350-based blocks
• Compatible with standard SBC bellhousing and transmission configurations
• Built to support significant horsepower increases over stock displacement

The Manley 290960H stroker kit is an ideal foundation for builders looking to maximize cubic inches from a Small Block Chevy platform. Whether you're building a performance street engine or a dedicated racing application, Manley's reputation for precision manufacturing ensures this kit delivers consistent results.