An old standby since 1923!
Add to gas and oil to clean engine from the inside out. This amazing product has saved or extended the life of many older engines. Removes sludge and carbon. Engines stay cleaner. Increases fuel economy when added to your fuel. Easier cold-weather starting and a quieter, smoother-running engine. Made in USA.
Add 4 oz per 10 gallons fuel and 1 pint with oil change. 32 oz bottle.