New Fuel tank sending unit lock ring and gasket.  This kit will work on a lot of other applications, If you have any questions feel free to ask.

1967-1972 Chevrolet/GMC Truck
1961-1966 Chevrolet Fullsize Passenger Car
1964-1972 Chevrolet Chevelle/ El Camino
1967-1969 Chevrolet Camaro
1962-1974 Chevrolet Nova/Chevy II
1963-1974 Chevrolet Corvette