Berryman® B-12 Chemtool® High MileEdge Fuel System Cleaning Concentrate

Thoroughly cleans entire fuel system of all high mileage gas-powered vehicles, including those exceeding 60,000 miles. Powerful detergents and H.E.S.T. solvents give one-tank clean-up of fuel injectors, intake valves, carburetor, and combustion chambers. Dissolves fuel residue and carbon deposits to restore lost power, reduce rough idle and hesitation, restore octane requirements, and improve overall drivability. […]

Berryman® All Season Diesel Fuel Treatment

Lowers diesel pour point and reduces fuel filter plugging dramatically for maximum cold-weather operability. Contains powerful detergents to thoroughly clean-up both conventional and sticky, modern internal diesel injector(“IDI”) deposits.