Manley 290960X SBC Stroker Kit Stroke Bore Small Block Chevy Engine Crankshaft Rotating Assembly - 383 3.750 4.060

The Manley 290960X is a complete 383 cubic inch stroker kit for Small Block Chevrolet (SBC) engines, engineered to increase displacement and maximize power output. Designed around a 3.750-inch stroke crankshaft and 4.060-inch bore pistons, this kit provides everything needed to build a high-performance 383 stroker from a standard 350 small block Chevy block.

Manley Performance is renowned in the motorsports and performance aftermarket industry for producing race-proven rotating assembly components. This stroker kit is built to withstand the demands of high-horsepower street and strip applications, offering exceptional strength, balance, and durability over stock replacement parts.

Key Features:

• Designed for Small Block Chevrolet (SBC) 383 cubic inch stroker builds
• 3.750-inch stroke crankshaft for increased displacement and torque
• 4.060-inch bore pistons for optimized compression and power
• High-strength forged components for superior durability under high-performance conditions
• Precision-engineered rotating assembly for improved balance and reduced vibration
• Ideal for street performance, street/strip, and track applications
• Manley's race-proven manufacturing standards ensure reliable, long-lasting performance

The Manley 290960X stroker kit is the ideal foundation for builders looking to extract serious power from the legendary Small Block Chevy platform. Whether building a dedicated street machine or a track-ready powerplant, this kit delivers the displacement, strength, and precision needed to support aggressive power goals.