The CP Pistons Bullet Race Series piston set for SBC 414ci applications is supplied as an eight-piece matched set with a 4.125" bore, the listed 1.062" dimension and a 13.8:1 compression ratio. As a complete piston kit, it helps maintain consistent bore and combustion volume for that SBC 414ci spec.
CP Piston BRS SBC 414Ci Ascs 4.125 Bore 1.062 Ch 13.8:1 Cr - Set Of 8 (MTO Non-Cancel)