Heater Box Without Factory AC. Small block and Big Block.
Chevelle 1964
Chevelle 1965
Chevelle 1966
Chevelle 1967
Chevelle 1968
Chevelle 1969
Chevelle 1970
Chevelle 1971
Chevelle 1972
El Camino 1964
El Camino 1965
El Camino 1966
El Camino 1967
El Camino 1968
El Camino 1969
El Camino 1970
El Camino 1971
El Camino 1972
Reference: firewalls, heater delete, ac delete, heater box, ac box, ac delete cover, heater delete cover