This is same set as 1964 and 1965 GTO used. If you can't locate a large one-piece air cleaner, don't want to hide your tripower, or just like the look, these are beautiful, show chrome reproductions, mirror chrome. Excellent reproduction. Includes ALL parts needed unlike others. Three bases, three paper elements, three chrome lids, three bottleneck studs, three correct chrome wingnuts, AND three carb to air cleaner gaskets.