The CP Pistons Bullet Race Series piston set for SBC 415ci applications is supplied as a set of eight matched pistons with a 4.130" bore, the listed 1.062" dimension and a 13.8:1 compression ratio. Provided as a complete set, it gives engine builders the precise bore and compression specification needed for that particular 415ci SBC configuration.
CP Piston BRS SBC 415Ci Ascs 4.130 Bore 1.062 Ch 13.8:1 Cr - Set Of 8 (MTO Non-Cancel)