Billet Thermostat Housing - LTX / L83 / L86

TooHighPsi Engineering's Billet Thermostat Housing for all LTX engine applications has been carefully designed to maximize the cooling performance of your LT1/LT4 engine build. Precision machined in-house from a solid piece of 6061 T6 aluminum, the housing incorporates a unique double O-ring seal to completely eliminate coolant leaks and ORB style interchangeable barbs for the main coolant and steam vent hoses. The housing replaces the factory plastic housing and is designed to work with standard LS-style thermostats used in the LS3/LSA/LS9 engine applications.