Icon FHR Forged Piston - 3.800 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 2.90 cc - GM LS-Series - Set of 8 IC9986C.020 HANGER-HELMET-1.25 Compatible with alcohol or methanol

Compatible with alcohol or methanol fuels

Two mounts are incorporated into one billet aluminum frame with belt adjustment for alternator and vacuum pump

All the graphics you need when replacing the nose

Steeda's underdrive pulleys slow down accessory speed by about 25% reducing parasitic acccessory drag on the engine

The plate is pre-machined with a second set of nitrous and fuel passages so you can easily upgrade to a dual stage system by adding part # NX933D

Icon FHR Forged Piston - 3.800 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 2.90 cc - GM LS-Series - Set of 8 IC9986C.020 HANGER-HELMET-1.25 Compatible with alcohol or methanolProduct Description: Piston FHR Forged 3. 800 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.