The Vintage air cleaner case was stylistically designed for a timeless look with its smooth, machine-cut shapes that promote a nostalgic feeling. The drag-race inspired induction opening will guarantee the speed freaks to nod their heads in approval. Perhaps the obvious element staring right at you is the distinguished, prominently placed bolt head that acts to secure the PM branded outer plate, boasting the U.S.A. badge of honor. The Contrast Cut model comes with a Black Ano Center Bolt The Black Ops model comes with a Red Ano center Bolt The Chrome model comes with a Chrome Center Bolt Different Color Bolts can be purchased seperately. DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE.