The CP Pistons Bullet Race Series SBC piston set is a matched eight-piece kit sized with a 4.155" bore, a 6.00" rod length and the listed 1.00" dimension; it specifies a -21cc dish and a 10.8:1 compression ratio. Supplied as a complete set, it gives builders the defined bore, chamber and compression values for that SBC build.
CP Piston BRS SBC 4.155 Bore 6.00 Rod 1.00 Ch -21CC 10.8 Cr Set Of 8 (MTO Non-Cancel)