The CP Pistons Bullet Race (BRS) piston set for Big Block Chevy 582 is offered as a matched set of eight pistons with defined chamber volume. The specs show a 4.600" bore and a 1.220" chamber with +46.9cc, provided as an MTO non-cancel set of eight. It’s intended for engine assemblies that require those exact bore and chamber increases.
CP Piston BRS Big Bock Chevy 582 4.600 Bore 1.220 +46.9CC Set Of 8 (MTO Non-Cancel)