Manley 290140H SBC Stroker Flat Top Piston Kit Stroke - 383 3.750 4cc

The Manley 290140H is a complete piston kit designed for Small Block Chevy (SBC) 383 cubic inch stroker engine builds. Featuring a 3.750-inch stroke and a -4cc flat top dish, this kit is engineered to deliver strong compression ratios and excellent power output suited for high-performance street and race applications.

Manley Performance is a trusted name in high-performance engine components, and this piston kit is built to exacting tolerances to ensure reliable power, long service life, and compatibility with standard SBC stroker rotating assemblies. The flat top design with a -4cc valve relief optimizes compression while providing clearance for proper valve operation.

Key Features:

• Application: Small Block Chevy (SBC) 383 cubic inch stroker
• Stroke: 3.750 inches
• Piston Design: Flat top with -4cc valve reliefs
• Manufacturer: Manley Performance — known for precision-forged, high-strength engine components
• Engineered for high-performance street and competition engine builds
• Designed to work with standard SBC 383 stroker rotating assembly components
• Consistent wall thickness and tight tolerances for reduced blowby and improved ring seal

Whether you're building a high-output street machine or a dedicated track engine, the Manley 290140H piston kit provides the quality and precision needed to get the most from your 383 SBC stroker combination.