Amsoil Fuel Additives for Gasoline Engines

Motorcycle Octane Boost (MOB)
Amsoil Motorcycle Octane Boost (MOB)
Amsoil Motorcycle Octane Boost increases octane for power and efficiency plus 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.read more ❯
Octane Boost (AOB)
Amsoil Octane Boost (AOB)
Amsoil Dominator® Octane Boost 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.read more ❯
Gasoline Stabilizer (AST)
Amsoil Gasoline Stabilizer (AST)
Amsoil Gasoline Stabilizer 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.read more ❯
Quickshot® (AQS)
Amsoil Quickshot® (AQS)
Amsoil Quickshot® premium fuel additive formulated to thoroughly clean and restore peak performance in small engine and powersports equipment fuel systems.read more ❯
P.i. Performance Improver Gasoline Additive
Amsoil P.i. Performance Improver Gasoline Additive
AMSOIL P.i. Performance Improver Gasoline Additive 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)read more ❯