This is a brand-new gas cap with gauge made by the Kelch Corporation in the U.S.A. These new threaded gas caps are 12 1/4″ long, and fit a 2 1/4″ threaded filler neck. This gas cap will fit plastic tanks at least 12 1/2″ deep. These gas caps fit the following golf car brands: EZGO Harley Davidson Columbia Always be sure to measure your tank depth if you’re not sure which cap you need. Measure from the top of the filler neck threads, straight to the bottom of the tank. Just contact us if you need another length or have any other questions. Email or call 517 787-0477.