BBC5311-030 CP Pistons, Bullet BB Chevy Open Chamber, 4.530 Bore, 10.8 1

Description

CP-Carrillo Bullet pistons are designed specifically to fit big block Chevy Open chamber heads. Pistons are proudly made in the USA from 2618 forgings and come with 1/16 ductile moly top ring, 1/16 second ring, 3/16 oil ring and include .990 x 2.750 or .990 x 2.930 pins with a .180 wall standard.
Compression ratio with 118cc heads: 10.8:1.