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

The Manley 290960R is a high-performance 383 cubic inch stroker kit for Small Block Chevy (SBC) engines, engineered to deliver significant power and displacement gains over a stock 350 build. Featuring a 3.750" stroke paired with a 4.060" bore, this rotating assembly kit provides everything needed to convert a standard small block Chevrolet into a hard-hitting 383 stroker.

Key Features:

• Application: Small Block Chevrolet (SBC) 383 stroker build
• Stroke: 3.750 inches
• Bore: 4.060 inches
• Manufactured by Manley Performance — a trusted name in high-performance engine components
• Designed for street performance, street/strip, and competition applications
• Precision-engineered rotating assembly components for optimal balance and durability
• Built to handle increased horsepower and torque demands of a stroked SBC engine

Manley Performance has been a leader in high-performance engine parts for decades, producing components trusted by professional engine builders and racing teams worldwide. The 290960R stroker kit is designed to maximize displacement and performance potential from the iconic small block Chevy platform, making it an ideal foundation for a high-output 383 build.