These studs hold the thermostat housing in place, 3 per car. Sold individually.
If you need the housing, you can find it .
If you need the thermostat, you can find it .
NOTE: The COARSE threaded end of this stud threads into the head. The FINE threaded end of the stud is where the nuts thread onto. Torque spec of the thermostat housing nuts is 8 ft.-lb. Don't over-tighten!