This Billet Style Cast Aluminum Fluid Control Thermostat with 1/2" NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve...

Precision machined billet aluminium - NOT PLASTIC Prevents unfiltered from entering the bearings/lifters etc. by blocking off the oil bypass check valve High flow design High temp Viton O-ring 1/4"-20...

This Billet Style Cast Aluminum Fluid Control Thermostat with 3/8" NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve...