Icon FHR Forged Piston - 3.780 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 2.90 cc - GM LS-Series - Set of 8 IC9987C.STD 45 Degree Fittings and tough phenolic bodies

and tough phenolic bodies

Mount In The Original Firewall Location

among others

Drag "R" Series or non-adjustable valving to fit your driving style and you are on your way

Icon FHR Forged Piston - 3.780 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 2.90 cc - GM LS-Series - Set of 8 IC9987C.STD 45 Degree Fittings and tough phenolic bodiesProduct Description: Piston FHR Forged 3. 780 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Groove Minus 2. 90 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 applications.