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AMSOIL P.I.® PERFORMANCE IMPROVER GASOLINE ADDITIVE
AMSOIL P.i. is a potent gasoline performance improver with concentrated detergent that aggressively cleans stubborn, power-robbing deposits from injectors, valves and the combustion chamber. Effective in port and direct injection systems. Bottle compatible with capless fuel systems. Cleans entire fuel system in one tank of gasoline. For use with cars and trucks. Treats up to 30 gallons. Add entire bottle to tank at fill-up. For best results, clean your fuel system with P.i. every 4,000 miles (6,400 km). Do not use with diesel or two-stroke engines.
MAXIMUM DEPOSIT CLEAN-UP
REMOVES FUEL-INJECTOR DEPOSITS
RESTORES HORSEPOWER
AMSOIL P.i. is a potent gasoline performance improver with concentrated detergent that aggressively cleans stubborn, power-robbing deposits from injectors, valves and the combustion chamber. Effective in port and direct injection systems. Bottle compatible with capless fuel systems. Cleans entire fuel system in one tank of gasoline. For use with cars and trucks. Treats up to 30 gallons. Add entire bottle to tank at fill-up. For best results, clean your fuel system with P.i. every 4,000 miles (6,400 km). Do not use with diesel or two-stroke engines.
MAXIMUM DEPOSIT CLEAN-UP
- Helps keep valves clean and moving freely.
- Aggressive additives attack the most common forms of engine deposits and limit their effects.
REMOVES FUEL-INJECTOR DEPOSITS
- P.i. removes deposits and keeps injectors functioning as they should.
- Testing shows P.i. restored GDI fuel injectors to a 100% flow rate after one tank of fuel.2
RESTORES HORSEPOWER
- Third-party testing demonstrated performance of P.i. using a 2016 Chevrolet* Silverado* with 100,616 miles on the odometer.
- Following a single treatment with P.i., the truck measured an incredible 14% improvement in horsepower.
AMSOIL UPPER CYLINDER LUBRICANT
Lubricates Top-End Components
The intense heat of combustion and limitations of the oil-control piston ring result in a lack of oil at the top of each cylinder. AMSOIL Upper Cylinder Lubricant's unique additives provide that missing lubrication to fight piston-ring and cylinder wear, maximizing engine compression and horsepower. Its lubricity improvers also aid in protecting fuel injectors and other fuel-system components from wear, helping ensure excellent performance and long-life. AMSOIL Upper Cylinder Lubricant delivers 18 percent more lubricity than Lucas* and 20 percent more than Sea Foam* for better retention of horsepower and fuel economy
Lubricates Top-End Components
The intense heat of combustion and limitations of the oil-control piston ring result in a lack of oil at the top of each cylinder. AMSOIL Upper Cylinder Lubricant's unique additives provide that missing lubrication to fight piston-ring and cylinder wear, maximizing engine compression and horsepower. Its lubricity improvers also aid in protecting fuel injectors and other fuel-system components from wear, helping ensure excellent performance and long-life. AMSOIL Upper Cylinder Lubricant delivers 18 percent more lubricity than Lucas* and 20 percent more than Sea Foam* for better retention of horsepower and fuel economy
AMSOIL DIESEL ALL-IN-ONE FUEL ADDITIVE
Specially engineered to provide exceptional all-season protection for a serious performance boost. One dose delivers outstanding detergency, improved lubricity, better cold flow and higher cetane.
CLEANS, PROTECTS AND RESTORES POWER
AMSOIL Increases LubricityTesting reveals AMSOIL Diesel All-In-One provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.
Specially engineered to provide exceptional all-season protection for a serious performance boost. One dose delivers outstanding detergency, improved lubricity, better cold flow and higher cetane.
CLEANS, PROTECTS AND RESTORES POWER
- Cleans dirty injectors
- Restores power and torque
- Reduces smoke and emissions
- Combats fuel-system corrosion
- Provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.
AMSOIL Increases LubricityTesting reveals AMSOIL Diesel All-In-One provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.
AMSOIL DIESEL INJECTOR CLEAN + CETANE BOOST FUEL ADDITIVE
Specially engineered to help defend your engine and fuel system against performance-robbing wear and deposits. Concentrated formula provides dependable protection in warm weather. One dose delivers outstanding detergency, improved lubricity and higher cetane.
CLEANS, PROTECTS AND RESTORES POWER
IMPROVES FUEL QUALITY
Specially engineered to help defend your engine and fuel system against performance-robbing wear and deposits. Concentrated formula provides dependable protection in warm weather. One dose delivers outstanding detergency, improved lubricity and higher cetane.
CLEANS, PROTECTS AND RESTORES POWER
- Cleans dirty injectors
- Restores power and torque
- Combats fuel-system corrosion
- Extends fuel-filter life
- Provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.1
1Fuels tested in 2017.
IMPROVES FUEL QUALITY
- Increases cetane up to 8 points
- Increases fuel economy up to 8%
- Reduces smoke and emissions
- Improves startability
- Smooths idle