Granatelli Motorsports Billet Thermostat Housing

Billet thermostat housing for the 2014-2020 GM LT Engines

Upgrade your OEM Plastic Thermostat Housing to prolong the life of your motor. OEM units are known to crack resulting in coolant loss

Made out of 6061-T6 Aluminum

High Flow Thermostat w/ copper, brass and stainless steel construction for long life and high reliability

No gasket required

Uses factory bolts on outside to maintain OE look and function

Can be installed with basic hand tools