Reid Racing SB Ford Bell Housing SFI Use w PG2000 2000R MNXBALCOTBLK This Billet Style Cast Aluminum 001051D4XLNR 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 will close and force 100% of the oil through the cooler while maintaining a constant pressure system Great for tuning to different track conditions 1 certification* and is approved with no external shields required highest quality Transmission and off road products meeting current and future needs for racers who demand innovation for their vehicles