Top Fuel Oil Additive Reviews

Smilyeez BG Fuel Injection & Combustion Chamber Cleaner PN 201 with Pocket Screwdriver (1)

  • ...gine Treatment for a complete fuel system cleaning service. To maintain peak performance, the combination in this fuel system cleaner kit delivers proven chemistry to each targeted area to drive out deposits and help keep the engine's fuel efficiency..
  • HEAVY-DUTY FUEL ADDITIVE: SledgeHammer Fuel System Ultra Treatment is an automotive fuel additive designed to break through the heaviest buildup of carbon, sludge, dirt, and gums. Formulated with the highest concentrations of detergents and cleaning formula, SledgeHammer can easily remove deposits from the injector, piston ring area, intake components, and valves, leaving your precision fuel and air intake system clean and optimized..
  • PROVIDES ADVANCED, FUEL-DELIVERED LUBRICATION: Our Fuel Shot is a proprietary Run-Rite formula designed to be a convenient way to deliver concentrated friction modifiers in its pure form. In cool temperatures, it’s viscous, so the syringe method of delivery helps ensure that this highly potent additive makes it into the fuel tank. The Fuel Shot cleaner is especially critical for Gasoline Direct Injection engines..
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Bestline Transmission & Hydraulic Systems Treatment - 12 Fl. Oz. - High Performance High Mileage Transmission Fluid - Lubricant Made with Nano Diamond Technology

  • BOOST THE EFFICIENCY OF ANY TRANSMISSION OIL -Enjoy improved lubricant performance with our innovative transmission oil additive. Using diamond nano-particles technology, our additive provides anti-wear and antifriction properties that are superior to plain transmission repair fluid..
  • ENHANCES THE ADDITIVES IN ALL ATF FLUIDS - Enhance any manual transmission additive or transmission assembly lubricant by helping prevent the oxidation of the additives in all ATF fluids. Our product also conditions all seals and O-rings for optimized effectiveness..
  • EXTENDS THE LIFE OF ALL AUTOMATIC TRANSMISSIONS - The anti-scuffing and anti-wear properties of nano-diamonds make this the perfect transmission fix for lubricants used in cars, race engines, motorcycles, and any other vehicles..
  • EASY AND ECONOMICAL MAINTENCE - Enjoy an overall improved driving performance and help reduce CO2 emissions by boosting the fuel efficiency of your vehicle with our effective transmission treatment additive..
  • TRUSTED QUALITY AND PERFORMANCE - All Best Line Racing products are proudly made in the USA by transmission professionals looking to increase the fuel efficiency and running power of vehicles while lowering your costs..
  • Diamond Ceramic Coating Reduces the coefficient of friction be....
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Hot Shot's Secret HSSFR332Z FR3 Friction Reducer 32 Fluid Ounce

  • 100% synthetic oil additive that protects engines and improves performance.
  • You can use the product in gas or diesel engines, works with synthetic or conventional oil.
  • FR3 Friction Reducer increases horsepower and fuel economy up to 5 percent.
  • Reduces engine wear up to 43 percent and oil operating temperature.
  • 32-ounce friction reducer engine additive reduces lifter and valve noise and restores lost compression.
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Hot Shot s Secret - HSSFR308Z FR3 Friction Reducer 8 fl oz.

  • 00% synthetic oil additive that protects engines and improves performance.
  • You can use the product in gas or diesel engines, works with synthetic or conventional oil.
  • FR3 Friction Reducer increases horsepower and fuel economy up to 5 percent.
  • Reduces engine wear up to 43 percent and oil operating temperature.
  • 8-ounce friction reducer engine additive reduces lifter and valve noise and restores lost compression.
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XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of Worn Metal Surfaces - Metal Conditioner With Revitalizant 1 Stage Maximum (Up To 5qt Of Oil Capacity)

  • Engine oil additive restores the surfaces of the engine parts and compensates for the resulting wear.
  • Restoration of engine compression | Repair of the surfaces.
  • Provides active protection against overload and overheating | Extends lifespan.
  • Lowers fuel consumption effectively | protects the engine against wear | Atomic metal conditioner.
  • Motor oil additive with Revitalizant | Engine oil additive | Suitable for gasoline and gasoline engines.
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Opti-Lube Summer+ Cetane Formula Diesel Fuel Additive: 4oz Bottles (8 Pack)

  • MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less..
  • IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube Summer+ Cetane formula. This diesel fuel additive has been shown to enhance fuel mileage year round, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for summer driving..
  • CLEANS INJECTORS: When your fuel injectors build up with residue, your engine doesn’t run as efficiently. Opti-Lube Summer+ Cetane formula cleans injectors while helping prevent future build-up. This helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. Additionally, it acts as rust and corrosion prevention to keep your vehicle in tip-top shape..
  • ENHANCES PERFORMANCE: Whether during rain or shine, Opti-Lube Summer+ Cetane formula delivers. It works to improve the performance of your truck all year round. This fuel additi....
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STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green

  • FIXES ROUGH RUNNING ENGINES – STA-BIL Fast Fix eats away at gum and varnish that cause rough starts and no starts in your small engine equipment. This easy-to-use fuel additive combats the effects of ethanol blended gasoline..
  • ELIMINATES WATER – This fuel injector cleaner helps to remove water that may get into your fuel system. Penetrating deep into the fuel line, this simple fuel additive prevents the need to disassemble the engine. The 8 oz. bottle of this alcohol-free fuel additive treats up to 20 gallons of fuel..
  • VERSATILE – Compatible with all small engines, adding STA-BIL Fast Fix to your 2-cycle or 4-cycle small engine cleans carburetors and injectors while acting as a water remover. Use this product in your lawn mower, chainsaw, trimmer, snow blower, generator, and more..
  • DIRECTIONS – For rough running engines use 1 oz. of STA-BIL Fast Fix per 2.5 gallons of fuel. Fill with fresh gas. Start the engine and allow to run for 15 minutes to allow the additive to work its way through the fuel system. If the engine does not start, attempt to turn it over a few times so the additive makes its way through the fuel system and allow to sit overnight. Attempt to start again, if problems persist you may need to have it looked at by a mechanic..
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VeryLube Motor Treatment & Anti Friction Modifier - Turbo Oil Additive (4.2oz, bottle)

  • Oil Treatment For Your Engine. Best Oil Additive For Your Car.
  • Treats Oil Capacity of 5-6qts of Motor Oil. Apply Every 3000mi.
  • Reduce Engine Noise & Decrease Fuel Consumption.
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Pennzoil Ultra Platinum Racing Plus SAE 0W-20-5 Gal

  • Made from Pennzoil's patented gas-to-liquid PurePlus Technology combined with a high-performance additive system for complete protection.
  • Nothing keeps your engine closer to factory clean (based on Sequence VH and M-111 sludge test using SAE 0W-40).
  • No other leading motor oil provides better protection from friction (based on Sequence IVA wear test using SAE 0W-40).
  • Provides better fuel economy (meets the requirements of MB 229.5 which includes Fuel Economy Improvement (FEI) requirement as determined in industry....
  • Formulated to deliver faster low-temperature oil flow and protection in extreme heat.
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Opti-Lube XPD Formula Diesel Fuel Additive: 8oz 6 Pack, Treats up to 32 Gallons per 8oz Bottle

  • MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition and the tools in the toolbox. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less..
  • IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube XPD formula. This diesel fuel additive has been shown to enhance fuel mileage year round, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for both summer and winter driving..
  • CLEANS INJECTORS: When your fuel injectors build up with residue, your engine usually doesn’t run as efficiently. Opti-Lube XPD formula cleans injectors while helping prevent future build-up. This helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. Additionally, it acts as rust and corrosion prevention to keep your vehicle in tip-top shape..
  • ENHANCES PERFORMANCE: Whether during rain, snow, or shine, Opti-Lube XPD formula delivers. It works to improve the performance of your truck all y....
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BG 245 Premium Diesel Fuel System Cleaner, 11 oz. Can, 4-Pack

  • ENZYME FUEL TREATMENT – Star Tron Enzyme Fuel Treatment Concentrate improves the combustibility of all fuel - meaning more power and better fuel economy. It keeps working to clean your fuel delivery system, so your engines start easily and run strong..
  • STABILIZES FUEL FOR UP TO 2 YEARS – This fuel additive is ideal for everyday use and seasonal storage. It can stabilize fuel for up to 2 years and can help rejuvenate old, sub-spec fuel..
  • MAX PERFORMANCE – This gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance..
  • VERSATILE – This revolutionary fuel stabilizer utilizes enzyme technology to enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces and all other small engines..
  • SAFE FOR ALL ENGINES – Star Tron Enzyme Fuel Treatment concentrated formula #930XX is economical to use in large and small applications. It works with ethanol fuel and is safe for use in all engines (including 2-cycle pre-mix)..
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Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 oz - Treats 512 Gallons

  • ENZYME FUEL TREATMENT – Star Tron Enzyme Fuel Treatment Concentrate improves the combustibility of all fuel - meaning more power and better fuel economy. It keeps working to clean your fuel delivery system, so your engines start easily and run strong..
  • STABILIZES FUEL FOR UP TO 2 YEARS – This fuel additive is ideal for everyday use and seasonal storage. It can stabilize fuel for up to 2 years and can help rejuvenate old, sub-spec fuel..
  • MAX PERFORMANCE – This gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance..
  • VERSATILE – This revolutionary fuel stabilizer utilizes enzyme technology to enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces and all other small engines..
  • SAFE FOR ALL ENGINES – Star Tron Enzyme Fuel Treatment concentrated formula #930XX is economical to use in large and small applications. It works with ethanol fuel and is safe for use in all engines (including 2-cycle pre-mix)..
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Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: 5 Gallon Pail Without Accessories Treats up to 6,400 Gallons

  • MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less..
  • IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube XL Xtreme Lubricant formula. This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for summer driving..
  • CLEANS INJECTORS: When your fuel injectors build up with residue, your engine doesn’t run as efficiently. Opti-Lube XL Xtreme Lubricant formula cleans injectors and helps prevent future build-up. This helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. Additionally, it acts as rust and corrosion prevention to keep your vehicle in tip-top shape..
  • ENHANCES PERFORMANCE: Whether during rain, snow, or shine, Opti-Lube XL Xtreme Lubricant formula delivers. It works to improve the performance of your truck all year round. This fuel....
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