AMSOIL®️ Gasoline Additives

AMSOIL Gasoline Additives are designed to enhance fuel efficiency, engine performance, and cleanliness, offering solutions for octane improvement, fuel system cleaning, and stabilization for optimal vehicle operation.

AMSOIL P.i.® Performance Improver Gasoline Additive

4.9
star rating from
713
total reviews

AMSOIL P.i. Performance Improver Gasoline Additive is a deep-cleaning gasoline performance improver that aggressively cleans stubborn, power robbing deposits from injectors, valves and combustion chambers.

Product Details

Product Code: APICN-EA

AMSOIL Quickshot®

4.9
star rating from
223
total reviews

AMSOIL Quickshot is a premium fuel additive formulated to clean and restore performance in small-engine and powersports equipment fuel systems.

Product Details

Product Code: AQSCN-EA

AMSOIL Upper Cylinder Lubricant

4.8
star rating from
189
total reviews

AMSOIL Upper Cylinder Lubricant is a specialized formula designed to lubricate the upper cylinder area, improving performance and reducing wear in gasoline engines.

Product Details

Product Code: UCLCN-EA

AMSOIL Gasoline Stabilizer

4.9
star rating from
117
total reviews

AMSOIL Gasoline Stabilizer inhibits the oxidation process, improving performance, helping extend equipment life and decreasing maintenance expenses.

Product Details

Product Code: ASTCN-EA

AMSOIL Motorcycle Octane Boost

4.8
star rating from
107
total reviews

AMSOIL Motorcycle Octane Boost (MOB) is designed to improve startup performance and eliminate engine ping or knock for increased power at low-rpm operation.

Product Details

Product Code: MOBCN-EA

AMSOIL DOMINATOR® Octane Boost

4.9
star rating from
81
total reviews

AMSOIL DOMINATOR® Octane Boost (AOB) significantly increases engine response and power by increasing octane up to four numbers.

Product Details

Product Code: AOBBE-EA

AMSOIL Gasoline Additives FAQs

How often should I use AMSOIL P.I.?

AMSOIL recommends using AMSOIL P.I. every 4,000 miles. But I add a bottle every time I fill up my gas trucks, especially with the declining quality of fuel nowadays.

What does AMSOIL P.I. do?

AMSOIL P.I. (Performance Improver) cleans your entire fuel system and restores up to 14% horsepower in one tank of gasoline. AMSOIL Performance Improver reduces noise from carbon rap and pre-ignition, controls pre-ignition "knock" and improves fuel economy. One bottle of P.I. treats up to 30 gallons of gasoline.

How do you use AMSOIL Gasoline Additives?

All AMSOIL Gasoline Additives are easy to use. Simply add to your tank right before filling up to ensure an even mixture. Double check the instructions on the bottle to verify proper dose recommendations. Most passenger vehicle applications will require no more than one full bottle.

What does AMSOIL quickshot do?

AMSOIL Quickshot is a premium gas fuel additive that cleans fuel systems, addresses ethanol-related issues and stabilized fuel. Quickshot has been tested and shown to cause a 70 percent flow improvement in injectors while increasing oxidation stability by 44% compared to untreated fuel.

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