Motorkote MK-ET01G-04-4PK Heavy Duty Hyper Lubricant, 1-Gallon, 4-Pack Works with all brands of synthetic and petroleum-based oils. Including full synthetic, semi- synthetic, conventional, and mineral. Gas or diesel engines. Recommended to be used in all automobile, truck, lawn, marine, agriculture and heavy-duty equipment. Increases horsepower, lowers operating temperatures and reduces engine noise and vibration in all engines. USAGE: Use 2 ounces per quart of oil in crankcases, 3 ounces for heavy duty and towing applications. Transmissions (Automatic or Manual) Use 1 ounce per quart of transmission fluid. Differentials use 1 ounce per quart of differential fluid. Power Steering Systems use 1 ounce per quart of fluid. Hydraulic fluid 1 ounce per 2.5 gallons of hydraulic fluid. Motorcycles 1 ounce per quart of fluid max. Lasts multiple fluid changes but maybe used more frequently for best results. Will not wash away with water.