Description: - Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting - Billet direct-fit replacement with 5/8" barb connection - More resistant to heat and vibration - Double O-ring...More Details »

Description: - For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax - Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory...More Details »