Kawasaki Black Billet Gas Fuel Cap Lid Ninja ZX-6R ZX6R ZX-7 ZX7 ZX-7R ZX7R Keyless Screw Lid. Reuses your stock bolts. Quick Installation. CNC Machined. Made of Heat Treated Aluminum (6061 T6). Direct Replacement. Includes all required gaskets. Before installation, coat the provided gasket with silicon grease