Icon Premium Forged Piston - 3.800 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 3.00 cc - GM LS-Series - Set of 8 IC546C.020 SB51202 This thermostat is compatible with

This thermostat is compatible with most 2004-2008 LS based engines except for 2007-up new chassis CK trucks and SUVs which had a new design water pump that uses a slightly taller thermostat

This is our 1-3/4" Style

Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat

604 lb/in Spring Rate

Icon Premium Forged Piston - 3.800 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 3.00 cc - GM LS-Series - Set of 8 IC546C.020 SB51202 This thermostat is compatible withProduct Description: Piston Premium Forged Forged 3. 800 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Groove Minus 3. 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