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  • Gasoline Additives

    Gasoline Additives
    • PI Performance Improver Gasoline Additive

      P.I. improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Restores power and performance. Reduces the need for costly higher octane fuel.
      API Click here for more info or Buy Now

    • Upper Cylinder Lubricant

      Preserves Horsepower and Performance
      Your engine’s top-end is sparsely lubricated and prone to the development of performance-robbing deposits. It’s also highly susceptible to corrosion, an issue compounded by the prevalence of ethanol in today’s fuel. AMSOIL Upper Cylinder Lubricant is designed to solve those issues. Its AMSOIL-exclusive, powerful formulation helps maximize engine power and performance while increasing engine life. And unlike competing fuel additives, AMSOIL Upper Cylinder Lubricant works.
      UCL Click here for more info or Buy Now

    • Quickshot®

      Formulated to Restore Peak Performance in Small Engines and Powersports Equipment
      AMSOIL Quickshot (AQS) is a premium fuel additive formulated to thoroughly clean and restore peak performance in small engine and powersports equipment fuel systems. It also stabilizes fuel between uses and during short-term storage. Its revolutionary technology focuses on three major fuel-related issues plaguing these applications: ethanol, water and dirty pump gas.
      AQS Click here for more info or Buy Now

    • AMSOIL Fuel Stabilizer

      Helps keep fuel fresh for up to 12 months. Fights oxidation to prevent the formation of varnish and sludge and keep floats and injectors clean for optimal engine performance. Ideal for stored seasonal equipment such as snowmobiles, lawnmowers, motorcycles and boats. Eases starting process when equipment is taken out of storage.
      AST Click here for more info or Buy Now

    • DOMINATOR® Octane Boost

      Improves Performance in all Two- and Four-Stroke Gasoline-Fueled Engines
      Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Increases octane up to 4 numbers. Reduces engine knock, improves ignition and engine response, helps fuel burn cleaner and inhibits corrosion. Recommended for off-road and racing use.
      AOB Click here for more info or Buy Now

    • Motorcycle Octane Boost

      Maximizes Power and Efficiency
      Increases octane for power and efficiency. It is designed to improve startup performance and eliminate engine ping and knock for increased power at low-rpm operation. Contains detergents that help combustion chambers and fuel delivery systems maintain cleanliness for optimum performance.
      MOB Click here for more info or Buy Now


  • Diesel Fuel Additives
    Diesel Fuel Additives
    • Diesel Injector Clean

      Cleans and Protects
      AMSOIL Diesel Injector Clean (ADF/ADFP) removes performance-robbing deposits from diesel fuel injectors to help restore horsepower and improve fuel economy. It is formulated for all types of diesel engines, including high-pressure common-rail designs.
      ADF Click here for more info or Buy Now

    • Diesel Injector Clean + Cetane Boost

      AMSOIL Diesel Injector Clean + Cetane Boost (ADS) combines the superior detergency and improved lubricity of AMSOIL Diesel Injector Clean and the increased horsepower and cetane of AMSOIL Cetane Boost in one convenient package.
      ADS Click here for more info or Buy Now

    • Diesel Cetane Boost

      Serious Performance Boost
      AMSOIL Diesel Cetane Boost (ACB) raises the cetane number of diesel fuel up to eight points for maximum horsepower, increased fuel economy and easier starts in all diesel engines.
      ACB Click here for more info or Buy Now

    • Diesel All-In-One

      All-season protection and performance
      AMSOIL Diesel All-In-One (ADB) combines the superior detergency and improved lubricity of AMSOIL Diesel Injector Clean, the excellent cold-flow and anti-gelling properties of AMSOIL Diesel Cold Flow and the increased horsepower and cetane of AMSOIL Cetane Boost in one convenient package. It is safe for use in all diesel fuels, including biodiesel. ADB Click here for more info or Buy Now

    • Diesel Cold Flow

      Combats fuel gelling in cold weather
      AMSOIL Diesel Cold Flow (ADD) combats diesel fuel gelling by improving diesel cold-flow ability. It is formulated with an advanced deicer to enhance fuel flow and help prevent fuel filter plugging in cold temperatures.
      ADD Click here for more info or Buy Now

    • Diesel Recovery

      Emergency Fuel Treatment for Gelled Diesel Fuel
      AMSOIL Diesel Recovery (DRC) is an emergency diesel fuel treatment that dissolves the wax crystals that form when diesel fuel has surpassed its cloud point. Diesel Recovery liquefies gelled diesel fuel and thaws frozen fuel filters, avoiding costly towing charges and getting diesels back on the road. For preventative maintenance, use Diesel Cold Flow (ADD) or Diesel All-In-One (ADB).
      DRC Click here for more info or Buy Now