The CP Pistons Bullet Race piston set for SBC applications is specified with a 4.020" bore, 3.750" stroke and a 5.700" rod length, supplied as a set of eight. These pistons are sized for small-block Chevy rebuilds where the listed bore and stroke dimensions are required, providing matched piston geometry for cylinder head and short-block assembly work.
CP Piston BRS SBC 4.020 Bore 3.750 Stroke 5.700 Rod 1.425 Set Of 8 (MTO Non-Cancel)