Home>Fuel Additives Gas/Diesel AMSOIL Fuel Additives Gasoline & Diesel
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.
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Package sizes include:
16-oz. Bottle 16-oz. Bottles (case of 12) 1-Gallon Bottle 1-Gallon Bottles (case of 4) 55-Gallon Drum
Also available in single-use bottles of P.I. Quickshot
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. Product Code: API
Performance Features
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Cleans fuel injectors, intake valves and carburetors
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Dissolves carbon and varnish deposits
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Contains properties to control rust and friction
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Reduces exhaust emissions
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Increases fuel economy

Gasoline Stabilizer
Reduces the oxidation process that occurs when fuel is stored for extended periods. Prevents 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 and boats.
Treat rate is one ounce with every 2.5 gallons of fuel. One bottle treats 40 gallons.
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Package sizes include:
16-oz. Bottle 16-oz. Bottles (case of 6)

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Series 2000 Octane Boost Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Increases octane number up to seven points. 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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Package sizes include:
12-oz. Bottle 12-oz. Bottles (case of 6) 55-gallon drum
Performance Features
- Improves performance
- Maximizes power
- Improves ignition
- Helps fuel burn cleaner
- Removes carbon deposits
- Reduces engine knock
- Improves responsiveness
- Inhibits corrosion

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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. 16-oz. bottle treats up to 200 gallons of fuel. For use in any diesel-fueled engine.
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Package sizes include:
16-oz. Can 5-Gallon Pail 55-Gallon Drum
Performance Features
- Improves ignition quality
- Improves low-temp starting
- Reduces cranking time
- Reduces emissions and smoke
- Provides smoother, quieter operation
- Increases efficiency
- Compatible with AMSOIL Diesel Fuel Additive Concentrate
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