K-Tuned In Line Thermostat Housing w/ T-Stat - KWP-TH-251Applications: All K series engines Universal (fits any 1. 25" rad hose) Note: * Replacement thermostat Stant Part # 13958 (180 Degree) This part is most often used in conjunction with our K Tuned Water Pump Block Off Plate kit. Installation of the Water Plate kit deletes the factory T stat housing so if you need or want to have a T stat in your cooling system you'll need to use this part for sure. This billet thermostat housing is designed to splice