Icon Premium Forged Piston - 4.030 in Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 4.00 cc - GM LS-Series - Set of 8 IC551C.030 GA2HELI-ADPT 1/8 in Screen Spacing

1/8 in Screen Spacing

30 spline axles

Painless offers life time guaranteed

Two outter outlets (on the hood) lets engine breath cool

1967-1968 Pontiac FirebirdProduct Description:

Icon Premium Forged Piston - 4.030 in Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 4.00 cc - GM LS-Series - Set of 8 IC551C.030 GA2HELI-ADPT 1/8 in Screen SpacingProduct Description: Piston Premium Forged Forged 4. 030 in Bore 1. 2 x 1. 2 x 3. 0 mm Ring Groove Minus 4. 00 cc GM LS Series Set of 8 Icon Pistons brings the same quality and performance you've come to expect from United Engine brands. ICON forgings are created at our in house facility, utilizing the latest innovations in piston forging technology. Each ICON piston is purpose built from the ground up for extreme high performance street or racing