BBC Dome Piston Set 4.155 Bore +17cc

The BBC Dome Piston Set 4.155 Bore +17cc from KB Performance Pistons is designed for high-performance big-block Chevrolet engines that require enhanced compression and reliability in modified applications. These pistons are ideal for street, strip, and competition engines, where dome-top geometry improves combustion chamber efficiency and power output. Whether you're building a restomod muscle car or upgrading an existing BBC engine, this piston set provides the precision engineering needed for professional builds.

Forged from premium aluminum alloy, these pistons feature optimized skirt geometry to reduce friction and ring blow-by while ensuring durability under high cylinder pressures. The dome crown is engineered to work with specific chamber volumes and fuel octane ratings, making it essential to confirm bore sizing and compression ratios during installation. This attention to detail ensures that the pistons perform optimally in both naturally aspirated and boosted applications.

Engine builders and performance shops trust this piston set for builds targeting 400+ horsepower, making it a valuable addition to any serious racing or performance project. The 4.155-inch bore specification aligns with standard BBC overbore dimensions, allowing compatibility with various engine configurations. This versatility makes the BBC Dome Piston Set a preferred choice for enthusiasts looking to enhance their engine's performance.