CP Bullet LS 4.000 Bore 3.622 Stroke -3.8cc Flat Piston Kit BLS1156-STD

CP-Carrillo Bullet LS pistons are designed specifically to fit all GM LS 15° heads (4.8, 5.3, 5.7, 6.0, 6.2L). Pistons are proudly made in the USA from 2618 forgingsand are suitable for nitrous oxide Superchargers or Turbos. Pistons feature special skirt design for low piston noise, 1.5mm steelgas nitride top ring, 1.5mm Napier second ring, 3.0mm oil ring and include .945 x 2.250 or .927 x 2.250 pins with.180 wallstandard.