The Kuryakyn 7178 gas cap preserves the customized look of your motorcycle with a low profile design that is flush mount to the surface of the tank; gain a clean look with a sleek, uncluttered appearance. To use, just push in the cap and rotate it a 1/4 turn left to pop it or right to lock it. Design features a built-in outer trim ring for flush appearance and a knurled surface on the outer ring, offering grip for easy opening and closing. Durable made from high quality billet aluminum. The Kuryakyn 7178 gas cap fits as a replacement for stock screw-in type tanks and is compatible with Harley-Davidson models: '96-'19 vented screw-in type tanks with right hand thread.