Better Combustion Efficiency, Fuel Economy and Emissions

Eliminate Dirt and Contamination Problems with Gasoline and Diesel Fuels

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AMSOIL’s selection of quality fuel additives will make your gasoline or diesel engine breath easier and work more efficiently. The quality of the fuel your engine runs on greatly determines its power and responsiveness. Use these products to clean your engine while you drive, and make sure your engine is getting the nutrients it needs to operate at peak performance for a long time.For high performance and racing applications, AMSOIL delivers increased horsepower to the street and track.

For environmentally friendly solutions to increase fuel economy and lower emissions, AMSOIL delivers!

See Field Study: AMSOIL P.i. – A Study in Performance

P.i. Performance Improver Gasoline Additive Product Image

P.i. Performance Improver Gasoline Additive

Product Code: APICN-EA

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)


Quickshot® Product Image


Product Code: AQSCN-EA

Premium fuel additive formulated to thoroughly clean and restore peak performance in small engine and powersports equipment fuel systems.


DOMINATOR® Octane Boost Product Image

DOMINATOR® Octane Boost

Product Code: AOBBE-EA

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.

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Gasoline Stabilizer Product Image

Gasoline Stabilizer

Product Code: ASTCN-EA

Reduces the oxidation process that occurs when fuel is stored for extended periods to prevent the formation of varnish and sludge which can clog injectors, stick floats and cause poor engine performance. Ideal for stored seasonal equipment such as snowmobiles, lawnmowers, motorcycles and boats.

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Motorcycle Octane Boost Product Image

Motorcycle Octane Boost

Product Code: MOBCN-EA

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.

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Diesel Injector Clean Product Image

Diesel Injector Clean

Product Code: ADFPCN-EA

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.

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Diesel All-In-One Product Image

Diesel All-In-One

Product Code: ADBPCN-EA

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.

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Diesel Cetane Boost Product Image

Diesel Cetane Boost

Product Code: ACBCN-EA

AMSOIL Diesel Cetane Boost (ACB) raises the cetane number of diesel fuel up to seven points for maximum horsepower, increased fuel economy and easier starts in all diesel engines.

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Diesel Cold Flow Product Image

Diesel Cold Flow

Product Code: ADDCN-EA

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. New formula treats double the fuel.

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