Skull Chrome Screw-In Gas Caps for Harley-Davidson Fuel Tanks (Set of 2) Chrome Skull Gas Tank Caps for Harley-DavidsonThis is a set of two skull gas tank covers. Sleek custom look and the highest quality. Screw-in style.One vented and one unvented caps in the set. Set comes with rubber seals.Fits Harley-Davidson models with 2 screw-in caps from 1983 to 99 and Any Custom Application *Product ID = 702