BBC Domed Piston Set 4.280 Bore +26cc

The BBC Domed Piston Set 4.280 Bore +26cc by KB Performance Pistons is a precision-engineered solution designed for big-block Chevrolet builders seeking enhanced performance. This piston set is ideal for serious enthusiasts and professional engine builders who require reliable high-rpm performance in street, strip, and competition applications.

Manufactured from premium forged aluminum alloy, this piston set ensures exceptional strength under extreme load and temperature cycling. The domed crown configuration increases cubic centimeters in the combustion chamber, allowing for higher effective compression ratios without extensive modifications to the cylinder head. The piston skirt design minimizes friction and noise while maintaining lateral stability, which is critical for ring seal integrity and oil control during aggressive acceleration.

This piston set is compatible with BBC engine builds ranging from 427 to 572 cubic inches, making it a versatile choice for various performance applications. Builders targeting specific compression ratios should consider their overall engine configuration to achieve optimal results. Each piston is individually machined and tested to meet KB's strict quality standards for weight matching and dimensional accuracy.