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

The Manley 290140RH is a Small Block Chevy (SBC) 383 stroker flat top piston kit designed for high-performance 383 cubic inch builds using a 3.750-inch stroke crankshaft. Featuring a -4cc flat top dome, these pistons provide a slightly reduced compression volume for optimized compression ratios when combined with aftermarket cylinder heads — making them an ideal choice for street/strip and performance engine builds.

Key Features:

• Designed for Small Block Chevrolet (SBC) 383 stroker applications
• 3.750-inch stroke crankshaft compatibility
• -4cc flat top piston design for tunable compression ratios
• High-strength forged construction typical of Manley performance pistons
• Precision machined for consistent ring seal and reduced blowby
• Designed to work with standard SBC bore sizes
• Right-hand (RH) orientation designation for proper pin oiling and wrist pin alignment

Manley Performance has been a trusted name in high-performance engine components for decades, producing pistons, connecting rods, valvetrain components, and rotating assemblies to OEM and professional racing standards. The 290140RH is engineered for builders who demand precise tolerances and reliable power in their SBC 383 stroker combination.