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The CP Pistons Bullet Race (BRS) piston set for Big Block Chevy 557 is presented as a matched set of eight pistons with specific chamber displacement. The specification includes a 4.500" bore and a 1.220" chamber with +46.9cc, provided as an MTO non-cancel set of eight. It’s suitable for builds needing that exact bore and chamber volume.
CP Piston BRS Big Bock Chevy 557 4.500 Bore 1.220 +46.9CC Set Of 8 (MTO Non-Cancel)
