Theses highly polished aluminum air cleaners have the look of billet without the expense. This 12" Ball-Milled Air Cleaner is cast aluminum, approximately 1/4" thick, polished, and the grooves you see are actually ball-milled. Even the base is 1/4" cast aluminum and polished. Fits carburetors with 5-1/8" air horns. Measures 12" long x 8-3/8" wide x 3" high.
Billet aluminum cap and base. Weld or screw to your valve cover, oil tank or rear end. Knurled cap with O-ring seal.