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. Included in set, three bases, three paper elements, three chrome lids, and three correct air cleaner gaskets. Chrome wing nuts are available on the web site set of three for $5.50 or wing nuts and air cleaner studs set of three for $12.50.