The CP Pistons Bullet Race piston set for BBC applications specifies a 4.600" bore, 4.250" stroke and 6.535" rod length. Offered as a matched set of eight, this listing indicates a made-to-order (MTO non-cancelable) production. The Bullet Race set is aimed at high-displacement Chevy builds requiring exact dimensional pairing.
CP Piston BRS BBC 4.600 Bore 4.250 Stroke 6.535 Rod Set Of 8 (MTO Non-Cancel)