Several sets of 660 thermostat housing attaching hardware for Corvettes Camaros Chevelles Novas and impalas for 1966 through 1972.
1. 66-72 Corvette 66-68 Chevelle Nova Camaro Impala. RBW RSC
2. Same as 1 with RSC TR
3. Same as 1 with P NAT
4. 69-72 Camaro Chevelle Nova Impala RBW +E marked stud.
All sets $45 shipped to the lower 48