Lucas, Super Coolant Additive For Harley-Davidson

16-oz (473cc) bottle. Additive for engine cooling fluid. Ultimate protection in stock and racing engines. Special formula reduces cooling fluid temperature up to 20ºF (approx. 11ºC). Prevents deposits, corrosion and electrolysis, including aluminum. Molybdate free. Usage: For regular street vehicles requiring freeze protection, add 1 bottle to 50/50 mix. For racing and high performance applications, add 2 bottles to straight water coolant for maximum temperature reduction. Note: Can be used with cooling fluid, anti-freeze or water. Do not use with distilled water unless 50% anti-freeze is added. Fits: H-D Twin Cooled, V-Rod and XG Street Units: 1