Gasoline PRI-G is a super concentrated complete fuel treatment that improves any type of gasoline, including the latest E-10 blends,enabling maximum performance. WHAT THEY HAVE TO SAY ABOUT PRI “After treating
fuel economy. Simply add 2 ounces of PRI-G for every 5 gallons of fuel at each and every fueling. Add the same annually to keep fuel fresh. It also may be used at double strength to restore old, stale gasoline when mixed thoroughly with the fuel. Shelf life after opening in 3 years...