AMSOIL P.I. Performance Improver Gasoline Additive

Ideal for both fuel injected and carbureted systems. Dissolves and removes fuel system deposits and other contaminants for improved power and overall performance in gasoline engines. Reduces PCV and EGR system deposits. Reduces exhaust emissions (tests show up to 90 percent reduction). Improves engine idle, response and starting.

An initial clean-up dose of six ounces for ten gallons of gasoline restores up to 95 percent of an injector's original fuel flow. Periodic maintenance doses of one ounce for ten gallons of gasoline keep injectors and other fuel system components clean. (more info)

Product Code: API

AMSOIL Octane Boost

Improves the performance of all two-cycle and four-cycle gasoline-fueled engines. Just one treatment significantly increases engine response and power. AMSOIL Octane Boost reduces engine knock, improves ignition, helps fuel burn cleaner and inhibits corrosion. Recommended for all high performance off-road and racing applications. Increases octane number by up to 7 points. (more info)

Product Code: AOB

AMSOIL Gasoline Stabilizer

AMSOIL Gasoline Stabilizer keeps fuel from deteriorating during storage. Reduces the oxidation process and prevents varnish and gum build-up in gasoline. These contaminates can clog injectors, stick floats and cause poor engine startup. Allows easier start-ups.

Treat rate is one ounce with every 2.5 gallons of fuel. One bottle treats 40 gallons. (more info)

Product Code: AST

AMSOIL® Diesel Fuel Modifier

All-season performance, treats up to 40 gallons. Lowers diesel fuel gel point by 20° to 30° F, depending on mix ratio. Improves the performance, fuel efficiency and longevity of diesel engines while reducing deposits, black smoke, emissions and injector wear.

For use inlight-duty diesel engines. (Such as the Ford Powerstroke, General Motors Duramax, and Dodge Cummins)

Treats up to 40 gallons. (more info)

Product Code: ADM

AMSOIL Cetane Boost Diesel Fuel Additive

Improves combustion efficiency to increase power in diesel engines. Raises cetane three to seven numbers. Also improves low-temperature starting, fuel ignition quality and reliability.

Treats up to 200 gallons. (more info)

Product Code: ACB

AMSOIL Diesel Fuel Additive Concentrate

All-season performance, 16-oz. treats up to 100 gallons. Lowers diesel fuel gel point by 20° to 30° F, depending on mix ratio. Improves the performance, fuel efficiency and longevity of diesel engines while reducing deposits, black smoke, emissions and injector wear.

For use in heavy-duty diesel engines. (Such as Mack, Freightliner, and Peterbilt). (more info)

Product Code: ADC