One of the most popular products from Air Ride Technologies is a beautiful polished stainless steel gas cap called the COOLCAP! Manufactured from 316 stainless steel and polished to a bright mirror finish. The 3'' diameter is only .080'' thick and can be easily recessed if desired. The flush cap is actuated with a stainless interface key that will unscrew the cap from its O-ring seal (You can also use a coin to open). A stainless chain prevents leaving or losing the gas cap after filling your tank. COOLCAP comes with all mounting hardware and instructions for easy installation.