The CP Pistons Bullet Race piston set for Big Block Chevy applications specifies a 4.310" bore, 4.250" stroke and 6.385" rod length. Sold as a matched set of eight, these Bullet Race pistons deliver the exact dimensions required for larger Chevy blocks and custom high-displacement engine assemblies.
CP Piston Bullet Race Series Big Block Chevy 4.310 Bore 4.250 Stroke 6.385 Rod Set Of 8