Custom 500 Gas Tanks
Year	Description	Quanta #
1968	Gas Tank, Except Station Wagon	F-47A
1969 - 70	Gas Tank, w/o EEC, Except Station Wagon	F-27F
1971 - 72	Gas Tank, Except Station Wagon, Up to 11/29/71	F-27A
1972 - 73	Gas Tank, Except Station Wagon, From 11/29/71	F-27B
1974	Gas Tank, Except Station Wagon	F-27C
1974 - 77	Gas Tank, Station Wagon	F-33
1975 - 77	Gas Tank, w/o Auxilary Tank, Except Station Wagon	F-27D