The CP Bullet Race Series piston set for Chevy 428ci applications is offered as eight pistons with precise bore sizing for L92-style heads and similar applications. This listing shows a 4.125" bore and indicates compatibility with 428ci heads in its description. The overview highlights the bore dimension so builders can match piston sizing to head and block combinations for accurate assembly.
CP Piston BRS Chevy 428Ci Head: All 15/L92 Bore :4.125 Set Of 8 (MTO Non-Cancel)