It fits the 1981-1986 Jeep CJ'S 5,7,8 with the Factory 20 Gallon Plastic Tank. MAKE SURE YOU HAVE THE 20 GALLON FACTORY PLASTIC FUEL TANK, IT HAS A PLASTIC LOCK NUT AND 2 VENTS ON THE TOP.
Chrome Push Fit Gas Fuel Tank Cap Cover Lid for Jeep CJ5 DJ5 1977-83 CJ7 1977-86
Chrome Push Fit Gas Fuel Tank Cap Cover Lid for Jeep Wrangler 1987-1990
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Chrome Push Fit Gas Fuel Tank Cap Cover for Ford Bronco 1966-1970
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Chrome Push Fit Gas Fuel Tank Cap Cover for Chevrolet C10 Pickup 1972-1974