The CP Pistons Bullet Race Series set for Big Block Chevy specifies a 4.625" bore, 4.250" stroke and 6.535" rod length, supplied as a set of eight pistons. This Bullet Race Series kit gives engine builders the exact piston dimensions needed for that bore and stroke combination, enabling precise component matching during assembly of custom or rebuild big-block Chevy engines.
CP Piston BRS BBC 4.625 Bore 4.250 Stroke 6.535 Rod Set Of 8 (MTO Non-Cancel)