The CP Pistons Bullet Race piston set for Big Block Chevy applications lists a 4.280" bore, 4.250" stroke and 6.385" rod length. Packaged as a set of eight pistons, this Bullet Race option provides the precise bore, stroke and rod combination needed for high-displacement Chevy engine projects and race-oriented builds.
CP Piston Bullet Race Series Big Block Chevy 4.280 Bore 4.250 Stroke 6.385 Rod Set Of 8