CSR Performance Thermostat Housing - GM LS1 w/1-1/2 Hose Conn. CSI911LS1C

Water Neck - Straight - 1-1/2 in ID Hose - O-Ring - Hardware Included - Billet Aluminum - Clear Anodized - GM LS-Series - Each

Heating and Cooling, Thermostats, Housings and Fillers, Water Necks - Thermostat Housings by CSR PERFORMANCE