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Our Top Picks:

Best Overall: Buy: Hot Shots Secret Friction Reducer READ REVIEW

Best For More Power: Buy: Prolong Super Lubricants Friction Reducer READ REVIEW

Best With All Commonly Used Filter Systems: Buy: Liqui Moly Friction Reducer READ REVIEW

Best For Lifter Tick: Buy: Tribotex Friction Reducer READ REVIEW

Best For Gas Mileage: Buy: Slick 50 Friction Reducer READ REVIEW

Best For Leaky Valve Stem Seals: Buy: Bardahl Friction Reducer READ REVIEW

Best For Old Engine: Buy: Xado Friction Reducer READ REVIEW

Best For Lifter Noise: Buy: Bars Leaks Friction Reducer READ REVIEW

Best Overall: Hot Shots Secret Friction Reducer

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The best part: hot shots ' secret friction reducer costs reasonable and it is available to ship in 24 hours. The Hot Shots Secret Friction Reducer is used to fill in microscopic irregularities on the machined surfaces in an engine. Mix fr3 with fuel after adding it to your engine's oil. The product contains three proprietary synthetic lubricants that have unique lubricating properties even compared to pao or mpao synthetics of the same viscosity.

Lastly, the hot shots secret friction reducer is a 100% synthetic engine additive that enhances the host oil's wear reduction and lubricating properties.

Almost all customers opine that the reducer has been built for decades and it's a lot like a modern diesel engine with injectors on the head, a high pressure fuel pump etc. Further, a few strongly agree that the reducer is going in every oil change from now on. In addition, a few strongly agree that the reducer is an incredible difference in the sound. In conclusion, for almost all customers, Hot Shots Secret product was what they were looking for.

• This has reduced engine noise and it has increased horsepower.
• This is 8 ounces for cars, 23 ounces for trucks and 64 ounces for semitrucks.
• This restores lost compression. Additionally, it is effective on all engines, including.
• It comes with great stuff and it works great.

Best For More Power: Prolong Super Lubricants Friction Reducer

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Prolong Super Lubricants offers a variety of reducers for personal choice and yet maintains quality in all the variants. The Prolong Super Lubricants Friction Reducer works great and it is great for high-mileage vehicles. Make sure this fits by entering your model number. Also, the reducer comes with great stuff and it is made to be worth the money.

The reducer is pumped through the engine, prolonging engine treatment molecules interact with the metal surfaces. They chemically bond to create a protective layer that reduces damaging friction and heat. Also, the reducer is formulated to treat the metal surfaces of both gasoline and diesel - fueled engines. Above all, the prolong super lubricants friction reducer is easy to use, just pour it right into the engine crankcase.

Most customers agree that the reducer is much much cheaper. Additionally, it is gallon size at amazon. Also, they strongly agree that the reducer is humming like a growing machine. In addition, a few say that the reducer has always done a good job. With no doubts, this reducer passed the test and had very satisfied buyers eager to share their experience.

• Formulated with afmttm (anti-friction metal treatment) advanced technology.
• This is sold in larger quantities.
• Features engineering designed to treat metal surfaces of both gasoline and diesel - fueled engines.
• This engine treatment is meant to be used in 4 - stroke engines.

Best With All Commonly Used Filter Systems: Liqui Moly Friction Reducer

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The best part: Liqui Moly Friction Reducer is comparatively low and it is available to ship in 24 hours. The liqui moly friction reducer is compatible with all commonly used filter systems. The Manufacturer says: We are one of the few full - range brands in the world and offer more than 4, 000 products from our one-stop shop. In addition, the reducer provides wear protection for engines, transmissions, pumps and compressors.

The reducer is suitable for use with wet clutches. Above all, the liqui moly friction reducer is made from raw material deliveries, to production, right through to shipment.

Almost all customers opine that the reducer makes a pinging sound upon starting it up, which eventually goes away. Further, they strongly agree that the reducer reduces engine noise and there is no snake oil here. And, a few say that this stuff is the best additive for your engine. To sum up, most customers found the reducer suits best, and no one questions it.

• This works as advertised and it comes with a car that is quieter.
• It is sooooo quiet now and accelerates so much better.
• This is a great additive for any motor and a must for any diesel application.
• No deposits and absolutely compatible with all commonly used filter systems.

Best For Lifter Tick: Tribotex Friction Reducer

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Tribotex offers a variety of reducer for personal choice and yet maintains quality in all the variants. The Tribotex Friction Reducer is a more powerful dose for bigger engines. Always check your oil level and change it regularly. Further, it is unlike any other, because it uses millions of tiny particles that form together to create a high - performance (diamond-like carbon) coating.

The reducer is very quiet and it is great for fuel efficiency. Finally, the tribotex friction reducer is smart and only forms on metal bearing surfaces.

Almost all customers agree that the reducer is more about the spectrum of noise rather than sound pressure. And, they also found that the reducer has 222, 000 miles on it now. Further, a few say that the machine uses the additive for 40, 000 miles. In short, at the price, they believe that they got a steal of a deal with it.

• This is perfect for valve cover gasket and it is made for good stuff.
• This is a revolutionary breakthrough in engine coating technology.
• This is more smooth, is environmentally safe and it has bearing wear.
• This is good for automatic and CVT transmissions also.

Best For Gas Mileage: Slick 50 Friction Reducer

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The Slick 50 Friction Reducer should be able to handle its purpose and duties with ease. The slick 50 frictionreducer is a ceramic-reinforced fluoropolymer, additionally protects against power - robbing friction and heat. The original slick 50 ptfe treatment has been updated with cerflon technology to create a ceramic reinforcement of your internal engine parts. Moreover, the reducer works with all oil types, weights, and viscosity, including synthetic oil, synthetic blends, and conventional or mineral oil-based.

The reducer has prevented engine sludge, changes the oil and it helps clean. the. Lastly, the slick 50 friction reducer protects against engine friction and it is great with old engines.

Most buyers quickly discovered that the reducer actually deprives parts of lubricant. In addition, they also found that the reducer has given great performance and longevity. Further, they also found that the cerflon that is in the engine treatment formula is supposed to reinforce the internal engine parts and help reduce wear. In conclusion, the tone of buyers is very positive and we believe that the reducer suits the purpose.

• Slick 50 classic engine treatment is engineered to outperform and optimize engine performance.
• This has 498, 975 miles on the original engine.
• Replace 20% motor oil with slick 50 classic engine treatment cerflon ptfe 32 ounce.
• This will easily get to 300, 000 miles using slick 50.

Best For Leaky Valve Stem Seals: Bardahl Friction Reducer

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The best part: Bardahl friction reducer costs comparatively low and it is available to ship in 24 hours. In addition, this is great for oil consumption and it is perfect for oil burning. Make sure this fits by entering your model number. Finally, the Bardahl frictionreducer reduces exhaust smoke plus it is the number one selling product in its category in the USA.

Most buyers quickly discovered that the reducer is drastically reduced when using "no smoke. Moreover, a few strongly agree that the reducer reduces the smoke being sputtered out by 80. In short, at the price, they believe that they got a steal of a deal with it.

• Quiets noisy lifters and decreases engine noise.
• Seals empty spaces and reduces friction.
• Stops oil burning and excessive exhaust smoke.
• This works for leaky valve stem seals in high - mileage cars.

Best For Old Engine: Xado Friction Reducer

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Xado offers a variety of reducers for personal choice and yet maintains quality in all the variants. The Xado Friction Reducer is designed for diesel engines of heavy-duty vehicles with an oil capacity system up to 30. Product application prolongs the life of your engine and allows avoiding expensive repairs in the future. The product reduces friction, rebuilds worn metal in engine parts and creates protective coating against future wear, thus providing tools - free restoration and anti - wear protection.

The reducer is not recommended to change oil during this period. And, it works great and it changed the oil. Lastly, the xado friction reducer has increased engine power and it has reduced noise.

"You absolutely can use this bottle more frequently. " - says, one customer. To sum up, the tone of buyers is very positive and we believe that the reducer suits the purpose.

• Reduce fuel consumption. Enhance engine service life.
• Lasts for 60, 000 miles.
• This is compatible with all types of motor oil.
• Increase pressure in the oil system up to the nominal level. Reduce noise and vibration.

Best For Lifter Noise: Bars Leaks Friction Reducer

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Bars Leaks offers a variety of reducer for personal choice and yet maintains quality in all the variants. Moreover, it smells good and it comes with part number. Manufacturer says: Over the years, our company rose to international popularity, becoming a go-to for many famous users, such as the u.s. navy, not to mention professional race teams of almost every stripe. Most importantly, the bars leak friction reducer is great in both hot and cold weather.

Most customers quickly discovered that the reducer is compatible with all gasoline and diesel engines using conventional, high mileage, and synthetic oil. Further, a few say that the reducer is even better than casite motor honey. Moreover, a few also found that this additive is definitely designed for older vehicles that can run on thicker oil. Consequently, customers were very happy to recommend it to friends and families.

• Remember, your car is what it eats.
• Improved high performance formula performs better in both hot and cold weather.
• You can add rislone oil treatment anytime, at or between oil changes.
• Get them back with a can of rislone high-performance oil treatment.