This Billet Aluminum LS Engine Adapter features a built in 180°F Thermostat to help reduce engine wear and horse power loss. The oil thermostat allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system. This process allows the engine to achieve the ideal operating temperature quicker before passing the oil through the cooler.
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