BBC Domed Piston Set 4.280 Bore +48cc

The BBC Domed Piston Set 4.280 Bore +48cc is engineered for high-performance Big Block Chevy marine engines that require significant compression increases for maximum power on the water. Boaters building reliable offshore powerplants rely on these forged components to handle the sustained high-RPM loads common in demanding marine environments. This set of eight pistons provides the necessary displacement and dome volume to optimize combustion efficiency in large-bore engine builds.

These Sportsman Racing Products pistons feature a forged construction that offers superior strength-to-weight ratios compared to cast alternatives, which is vital for maintaining engine integrity under heavy throttle. The BBC Domed Piston Set 4.280 Bore +48cc is designed with precise ring grooves measuring 1/16 x 1/16 x 3/16 inches to ensure optimal sealing and oil control. The +48.00 cc high compression dome is specifically shaped to enhance the flame front and maximize the energy released during every power stroke.

Designed for builders looking to buy high-performance internals for racing or high-speed cruising, this piston set is a staple for 4.280-inch bore specifications. The heavy-duty design of the BBC Domed Piston Set 4.280 Bore +48cc ensures it can withstand the thermal stresses of continuous marine operation without compromising performance. Proper installation with matching rings and pins will provide the durability needed for seasons of reliable service in the most challenging aquatic conditions.