Air cleaner body measures approx

copper gasket

The taper on NPT threads allows them to form a seal when tightened

Made In Ohio

35MM Chrome Fork Tubes - 25-1/4 inch - 2 Over Thread Size_10-32 Air cleaner body measures approx35mm Fork Tube Diameter 25 1 4" Fork Tube Length +2 length for Harley OEM #45407 75 Fits 1975 1983 Harley Sportster XL and 1976 1983 Harley FX models When you are ready to replace worn or damaged fork tubes, or change the length of your front end, you want to be sure you have good quality fork tubes. This listing is for fork tubes only, internals are not included. These fork tubes fit 1975 1983 Harley Sportster XL and 1976 1983 Harley FX models. They