●Quickly cleans and dissolves gum, varnish, dirt, lead, and carbon deposits, aiding in faster starts and smooth idling ●Uses high grade formula to clean all unpainted metal parts, does not leave behind an oily residue after cleaning ●For gasoline, and diesel engines - Including: cars, trucks, motorcycles, tractors, buses, marine engines, lawnmowers, snowmobiles, snow blowers, construction equipment, etc. ●Will not harm catalytic convertors or oxygen sensors ●Helps restore performance and gas mileage