SBC Domed Piston Set 4.040 Bore

The Sportsman Racing Products SBC Domed Piston Set 4.040 Bore is designed for small block Chevy marine and automotive engines, delivering precision-engineered power. This set includes eight forged pistons that combine advanced dome geometry with strict manufacturing tolerances to enhance combustion efficiency and horsepower output. Ideal for high-performance applications, these pistons are built to meet the demands of serious engine builders.

With a bore size of 4.040 inches and a dome volume of 7.00 cc, this piston set is engineered for optimal performance where displacement and compression work together. The forged construction ensures strength for sustained high RPM operation, making them suitable for demanding marine applications. The ring groove configuration of 1/16 x 1/16 x 3/16 inch is designed to maintain effective ring sealing while accommodating thermal expansion.

Engine builders and marine mechanics will find this piston set beneficial for reliable performance upgrades in small block Chevy platforms. Whether rebuilding offshore fishing boat engines or constructing street performance motors, the SBC 4.040 domed piston set meets the rigorous standards expected in high-performance environments. Each set includes eight pistons, providing a complete solution for engine assembly.