Our brass spinner gas caps fit stock and aftermarket HD type gas tanks. Gas tanks with single filler bung will need our right side cap. Gas tanks with dual filler bung will obviously need a left and a right side gas cap. Gas tanks with fuel gauge unit will need our adapter and two right side gas caps (one for the right side and one to go inside our adapter to replace the oem fuel gauge unit): use of our adapter and pop-up cap eliminates the oem fuel gauge. Mirror polished.
For more info and pictures please check:
BRASS SPINNER CUSTOM GAS CAP FOR STOCK TANKS