The CP Pistons Bullet Race Series piston set is an eight-piece piston kit for Big Block Chevy applications, listed with a 4.560" bore, 4.000" stroke and 6.385" rod length. Aimed at race-style big-block assemblies, the matched pistons help maintain uniform combustion chamber geometry and clearances across all eight cylinders. Make sure these exact dimensions match your block and rotating assembly before installation.
CP Piston BRS BBC 4.560 Bore 4.000 Stroke 6.385 Rod Set Of 8 (MTO Non-Cancel)