Quickly disperses moisture and dissolves gum, varnish, and other fuel residues from the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with H.E.S.T. Regular use ensures higher compression, fewer repairs, lower operating costs, and increased spark plug and injector life. Available in both consumer and commercial sizes. Catalytic converter and oxygen sensor-safe.

• Contains 100% high-energy solvent technology
• Helps keep injectors or carb(s) and intake ports and valves clean
• Quickly disperses moisture and dissolves gum, varnish, and other fuel residues
• Disperses moisture in conventional gasoline
• Catalytic Converter and O2-Sensor Safe

Directions:
Carefully pour entire contents into gas tank to treat up to 21 gallons of gasoline. For marine engines and vehicles or equipment that hold less than 15 gallons of gas, add a rate of 1 oz per gallon of gas. Add before refueling to ensure proper mixing. For continuous fuel system maintenance, use B-12 Chemtool Fuel Injector Cleaner every third tank. NOTE: High-mileage vehicles and vehicles which have not had regular fuel system maintenance every 3,000 miles may require a thorough fuel system cleaning. Berryman B-60 High Mileage Fuel System Rejuvenator (part #7516) is specially-formulated with a proprietary blend of strong solvents and high performance detergents to completely clean older and neglected fuel systems.