Chevrolet Performance Thermostat Housing for LS Series 2004-Up 186 Degree

Chevrolet Performance 2-piece thermostat housing for GM LS-Series engines, 2004 and later. Features a 1-1/2in ID hose connection and a 186-degree thermostat, made from aluminum with a natural finish as an OE replacement. Designed for street or racing builds, ensures proper engine cooling. Sold as each.