1973-87 Chevy, GMC Truck Aluminum Fuel Gas Tank Combo Kit, 19 Gallon, Bed Fill 19 Gallon Aluminum fuel tank Fuel Filler hose (4" for bed fill ) 0-90 Ohm Sending Unit Stainless Fuel Cap Vent bung size is 1/4"NPT. Fuel feed bung size is 3/8"NPT Available in bed fill only Will not work with trailer hitch Shackle frame brace on HD models will require modifications to mount rail. 27" wide x 19" deep x 10 1/2" high 1973-1987 Chevy C10, GMC C15, C20 truck and 4wd