AMSOIL P.i.® Performance Improver Gasoline Additive
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.
AMSOIL Diesel All-In-One
AMSOIL Diesel All-In-One is specially engineered to provide exceptional all-season protection for a serious performance boost.
AMSOIL Diesel Cold Flow
AMSOIL Diesel Cold Flow is specially formulated for improving the flow of diesel fuel, helping to maintain the integrity of fuel and prevent the clogging of filters and injectors.
AMSOIL Quickshot®
AMSOIL Quickshot is a premium fuel additive formulated to clean and restore performance in small-engine and powersports equipment fuel systems.
AMSOIL Upper Cylinder Lubricant
AMSOIL Upper Cylinder Lubricant is a specialized formula designed to lubricate the upper cylinder area, improving performance and reducing wear in gasoline engines.
AMSOIL Gasoline Stabilizer
AMSOIL Gasoline Stabilizer inhibits the oxidation process, improving performance, helping extend equipment life and decreasing maintenance expenses.
AMSOIL Diesel Injector Clean
AMSOIL Diesel Injector Clean (ADF/ADFP) removes performance robbing deposits from diesel fuel injectors to help restore horsepower and improve fuel economy.
AMSOIL Motorcycle Octane Boost
AMSOIL Motorcycle Octane Boost (MOB) is designed to improve startup performance and eliminate engine ping or knock for increased power at low-rpm operation.
AMSOIL Diesel Injector Clean + Cetane Boost
AMSOIL Diesel Injector Clean + Cetane Boost (ADS) combines the improved lubricity of AMSOIL Diesel Injector Clean and the increased cetane of AMSOIL Cetane Boost in one convenient package.
AMSOIL Diesel Cetane 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.
AMSOIL DOMINATOR® Octane Boost
AMSOIL DOMINATOR® Octane Boost (AOB) significantly increases engine response and power by increasing octane up to four numbers.
AMSOIL Diesel Recovery
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.
Adding fuel additives to your vehicles or equipment can help protect your machines against low quality fuel and improve performance. AMSOIL fuel additives have been rigorously tested and proven to fight corrosion, improve fuel lubricity, increase horsepower, and much more.
AMSOIL Upper Cylinder Lubricant was tested and shown to deliver 18% more lubricity than Lucas and 20% more than Sea Foam. AMSOIL P.i. restored up to 14% horsepower based on third-party testing in a 2016 Chevy Silverado. And, testing AMSOIL Diesel All-In-One was shown to significantly improve lubricity in diesel fuels found all across the U.S., which results in improved wear protection.
The amount of fuel additive per gallon of fuel varies between different additives. Check the bottle to know precisely how much you need. For many (not all) AMSOIL products, it's recommended that 1 oz. of additive treats 2.5 gallons of fuel.
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.
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.
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.
AMSOIL Diesel Injector Clean has been tested thoroughly in real-world applications across the US and been proven to significantly improve lubricity in diesel fuels. Diesel Injector Clean helps lubricate pumps & injectors, minimizes engine soot, separates fuel and water, extends filter life, restores lost horsepower & improves fuel economy. Most AMSOIL Fuel Additives will help clean injectors.
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.
SAVE 25% + FREE Shipping!
Sign up today for 25% off all AMSOIL products and get FREE shipping on orders of $100 or more as a preferred customer.