AMSOIL P.i.® and Upper Cylinder Lubricant: Fuel System Boost

These fuel additives work together to help keep your vehicle running at peak power and performance.
These fuel additives work together to help keep your vehicle running at peak power and performance.

Maximize Engine Performance with AMSOIL P.i.® and Upper Cylinder Lubricant: Your Ultimate Fuel System Cleanup

Unlock the full potential of your engine with the unbeatable combination of AMSOIL P.i.® and Upper Cylinder Lubricant. Specifically formulated as a fuel additive to clean the engine. Also serving as the best fuel injector cleaner and fuel system cleaner on the market.

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AMSOIL P.i.®-Targeted Cleaning Power

AMSOIL P.i. takes the lead in the battle against carbon deposits and sludge, functioning as a potent fuel additive to clean the engine thoroughly. Its concentrated detergents aggressively eliminate stubborn deposits from injectors, valves, and the combustion chamber. Witness a remarkable 14% improvement in horsepower with a single treatment. Proven in a third-party test on a 2016 Chevrolet Silverado with over 100,000 miles.1

Treating your engine with AMSOIL P.i. every 4,000 miles (6,437 km) can help your engine maintain horsepower and performance.
Treating your engine with AMSOIL P.i. every 4,000 miles (6,437 km) can help your engine maintain horsepower and performance.

Key Benefits of AMSOIL P.i.®

  1. Restores GDI fuel injectors to 100% flow rate after one tank of fuel.2
  2. Maintains clean valves, preventing compression loss and rough idling.
  3. Improves fuel economy and restores power and performance.
  4. Reduces the risk of "carbon rap" and pre-ignition "knock."

Application: Experience the power of AMSOIL P.i. with each fill-up. Add the entire bottle to your tank. For optimal results, treat your vehicle with this fuel injector cleaner every 4,000 miles.

AMSOIL Upper Cylinder Lubricant: Safeguarding and Lubricating

Building on the success of AMSOIL P.i., Upper Cylinder Lubricant is a dual-threat, not only preserving cleanliness but also serving as the best fuel system cleaner. It lubricates the under-lubricated top end, fights ethanol-related corrosion, and boasts 18% more lubricity than Lucas and 20% more than Sea Foam.3 Ensuring superior retention of horsepower and fuel economy.

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Key Benefits of AMSOIL Upper Cylinder Lubricant

  1. 18% more lubricity than Lucas and 20% more than Sea Foam. Ensuring better retention of horsepower and fuel economy.
  2. Provides missing lubrication to the top of each cylinder. Reducing piston-ring and cylinder wear.
  3. Utilizes potent corrosion inhibitors to protect metal surfaces from deterioration.

Application: Elevate your fuel system's performance with Upper Cylinder Lubricant. Add the entire bottle to your tank with every refill, offering comprehensive protection against wear and corrosion.

Combined Powers for Optimal Engine Health

AMSOIL P.i. and Upper Cylinder Lubricant form an unparalleled partnership, addressing the need for a fuel additive to clean the engine. Making them the best fuel injector cleaner and fuel system cleaner. Witness the one-two punch that keeps your vehicle running at peak performance, mile after mile.

AMSOIL P.i. and Upper Cylinder Lubricant work together to help your vehicle run better and last longer.
AMSOIL P.i. and Upper Cylinder Lubricant work together to help your vehicle run better and last longer.

1.Based on third-party testing in a 2016 Chevrolet Silverado 1500, 5.3L V-8 GDI with 100,616 miles, using one tank treated with AMSOIL P.i. Actual results may vary.

2.ASTM D5598(M) – 2013 Buick Regal test vehicle.

3.Based on independent testing of AMSOIL Upper Cylinder Lubricant, Lucas Upper Cylinder Lubricant, and Sea Foam Motor Treatment obtained on 02/13/2019 using the ASTM D6079 modified for use with gasoline.

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