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The CP Pistons Bullet Race Series piston set supplies eight pistons for Big Block applications, specified at 4.500" bore, 4.250" stroke and 6.535" rod length with a 1.120 compression height. Designed for race or rebuild big-block Chevrolet engines, the matched pistons maintain consistent geometry across all cylinders to aid predictable compression and clearances. Confirm these exact dimensions with your block and rotating assembly before purchase.
CP Piston BRS Big Block 4.500 Bore 4.250 Stroke 6.535 Rod 1.120 Set Of 8 (MTO Non-Cancel)
