Lightning Deal 3970-4030 400m Small Block Ford 400m Fx Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.030 Inch Bore Pin Dia.: 0.975" Comp Height: 1.71" Easy Assembly [ZtulbLXc]

High-Performance 400M Small Block Ford Pistons

Introducing our premium 400M Small Block Ford 400M FX Series pistons, designed for the 3970-4030 400M Small Block Ford engines. These forged pistons are the perfect choice for your high-performance engine, offering unmatched durability and reliability. Crafted with precision, these pistons are engineered to deliver exceptional performance and fuel efficiency.

Key Product Specifications

Our 400M Small Block Ford pistons feature a 1.71 Comp Height and a -3cc Flat Top design, ensuring optimal combustion and power output. The piston pin diameter is 0.975 inches, and they come with a Full-Floating or Press Fit option for your convenience. The ring groove dimensions are 1.2/1.2/3MM, and the stroke is 4.000 inches. The rod diameter is 6.58 inches, and the approximate compression ratio ranges from 58cc-13.06 to 70cc-11.28, providing versatility for various engine builds.

Perfect for Your High-Performance Needs

These pistons are ideal for both street and race applications, offering superior performance and longevity. Whether you're looking to enhance your daily driver or compete in drag racing, our 400M Small Block Ford pistons are the perfect choice. With their robust construction and advanced engineering, these pistons ensure a smooth and efficient engine operation. Upgrade your engine today and experience the power and reliability that our pistons provide.