Degreaser X. Dilution: 1:5 to 1:20. Do not use it as a concentrate. You may damage your vehicle. RILEY'S DEGREASER X is formulated to cut through the toughest grease and grime. It works great on all exterior surfaces like wheels tires , engine bay , etc. Degreaser X is formulated with extra strong surfactants to help you get the desired results easily. Directions: Just spray on to the microfiber towel and wipe away with a microfiber towel. Using soft to medium brushes will help you get those stubborn stains even quicker. *By request/order.