The item that we have here is a complete engine gasket set for the for the 1979 1980 1981 1982 Honda XL500, XL500S, XL500S and XR500. These were the 498cc OHC 4 valve single cylinder motorcycles. Essential item if you are riding, restoring or racing your vintage Honda. This great gasket set has all the top-end engine gaskets (cylinder base gasket, valve cover gaskets, the expensive head gasket, plus also the lower engine case gaskets . Also check out all of the rubber "o: rings and valve seals I include with this extra high quality set.  Top quality aftermarket item. The most complete set you will find.