• Hapco Products - Lead Substitute - 16 oz. (Case of 12)

    Hapco Lead Replacement Formula provides maximum lubrication to any fuel system. This formula is designed to help fuel become more efficient and increase fuel economy. It replaces lead while acting as an octane booster and valve lubricant. Does not contain solvents or lead. For Best Results: Use regularly as you fill up. One 16 oz. bottle will treat up to 25 gallons. Great to use in all gasoline, diesel and marine engines. Sensor safe and will not harm oxygen sensor or catalytic converter.

    • ASIN: B01MTN30JG
    • ASIN: B01MTN30JG
    • Brand: Hapco Products Co.
    • Size: Case of 12 - 16 oz.
    • Manufacturer: Hapco Products Co.

  • Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.

    Chevron Techron fuel system cleaner is unbeatable in cleaning the entire fuel system and restoring lost power and performance caused by deposit build-up. - Cleans deposits from fuel injectors, carburetors, ports, valves and combustion chambers- works in one tankful while you drive to reduce deposit related engine knock, ping, run-on, and cold start problems- recommended for use every 3,000 miles- 20 oz. bottle.

    • ASIN: B00092893E
    • UPC: 023968657406
    • ASIN: B00092893E
    • Brand: Chevron
    • Size: 20 fl. Oz.
    • Manufacturer: Chevron

  • LUCAS LUC10013 1 Gallon (128 Ounces) Fuel Treatment

    Lucas Fuel Treatment is formulated for both gasoline and diesel engines, carbureted or fuel injected. It gives your fuel system what it really needs - a blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum efficiency. Also, it cleans and lubricates the carburetor and injectors and causes the fuel to burn more thoroughly for increased power and less fuel consumption. Lucas Fuel Treatment should definitely be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful ... [Read More]

    • ASIN: B000FW7V50
    • UPC: 049807100131
    • ASIN: B000FW7V50
    • Brand: LUCAS
    • Size: 1 Gallon (128 Ounces)
    • Manufacturer: Lucas

  • Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 8 oz - Treats 128 Gallons

    Star Tron Enzyme Fuel Treatment is a multifunctional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months. Star Tron eliminates and prevents ethanol fuel problems. Star Tron breaks down excess water and sludge to sub-micron size, allowing it to be safely burned away during normal engine operation which helps prevent phase separation. Star Tron increases fuel economy by cleaning the entire fuel delivery system, removing performance robbing gum and varnish deposits while... [Read More]

    • ASIN: B00D3IEIH2
    • UPC: 071247000894
    • ASIN: B00D3IEIH2
    • Brand: Star Brite
    • Size: 8-Ounce
    • Manufacturer: Star brite

  • Red Line 60202 Lead Substitute - 12 oz.

    Designed for racing, marine, or off-road use only, this Red Line lead substitute prevents valve seat recession in vehicles designed to use leaded fuels. This additive prolongs the useful life of these engines, cleans carburetor deposits and injectors, and will not damage catalytic converters.

    • ASIN: B000A8FJ12
    • UPC: 083522602020
    • ASIN: B000A8FJ12
    • Brand: Red Line
    • Size: 12 Ounce
    • Manufacturer: Red Line

  • Marvel Mystery Oil 50665 Ultimate Fuel and Motor Treatment - 12 Fl Oz.

    Marvel Ultimate Fuel & Motor Treatment delivers superior cleaning, lubrication and stabilization inside your engine to enhance compression and power. Designed for today's most advanced systems including direct injection (GDI) and hybrids, Marvel Ultimate is also ideal for high mileage vehicles and for preventative maintenance. Marvel Ultimate should be added to fuel or used in the crankcase in oil; specially formulated even for use in synthetic oil and with most advanced fuels including Top Tier, ethanol blends, and biodiesels.

    • ASIN: B06XDPZ1F1
    • UPC: 077874506655
    • ASIN: B06XDPZ1F1
    • Brand: Marvel Mystery Oil
    • Size: Ultimate Fuel and Motor Treatment
    • Manufacturer: Marvel Mystery Oil

  • STP Super Concentrated Fuel Injector Cleaner 12 Pack 5.25 fl Oz Bottles

    STP Super Concentrated Fuel Injector Cleaner contains concentrated detergents that help dissolve and remove harmful carbon, gum, and varnish deposits on fuel injectors. Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. This product is made with jet fuel, a high-quality carrier of active ingredients.

    • ASIN: B008YFI7KI
    • ASIN: B008YFI7KI
    • Brand: STP
    • Size: 12 pack 5.25 fl Oz Bottles
    • Manufacturer: STP

  • Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons

    Star Tron Enzyme Fuel Treatment uses unique enzyme technology to improve overall fuel quality. Star Tron Gasoline Formula makes engines start easily and run smooth. It “cures & prevents” Ethanol fuel problems such as water in fuel, or lost power. It also helps prevent phase separation, removes gums, varnish and carbon deposits and will stabilize gasoline for up to 1 year. It works in boats, cars, motorcycles, small equipment or any other 2 or 4-cycle engine.

    • ASIN: B001VMNHX8
    • UPC: 071247143089
    • ASIN: B001VMNHX8
    • Brand: Star Brite
    • Size: 8 Fl. Oz.
    • Manufacturer: Star Tron

  • Volkswagen Audi OEM Fuel Additive G001770A2

    WILL NOT WORK FOR DIESEL MODELS! THIS IS FOR GAS ENGINE MODELS ONLY!

    • ASIN: B017AETWSE
    • ASIN: B017AETWSE
    • Brand: Volkswagen Audi
    • Manufacturer: Volkswagen

  • Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

    Professional mechanics and do-it-yourselfers everywhere rely on this product every day. Sea Foam Motor Treatment dissolves and cleans fuel and oil residues and deposits, stabilizes fuel, controls moisture, and lubricates upper cylinders. Safe and effective when added to gasoline and diesel fuel and oil crankcases Just pour it in!

    • ASIN: B0002JN2EU
    • UPC: 034761122237
    • ASIN: B0002JN2EU
    • Brand: Sea Foam
    • Size: 1 Pack (16 Ounce)
    • Manufacturer: Sea Foam

  • Majic Multi-Purpose Long Neck Funnel for Car Oil, Gas Additives, Lubricants and Fluids, Blue

    Majic's Extra Long Lubricant Funnel is multipurpose, it may be used for car oil changes, gas additives, transmission fluids, power steering, and other fluid related transfers.

    • ASIN: B00RBWX7HS
    • UPC: 812219025602
    • ASIN: B00RBWX7HS
    • Brand: Majic
    • Manufacturer: Majic

  • STP 14259 5.25 Ounce All All Season Water Remover

    This concentrated fuel treatment helps maintain optimum performance all year round. It works to fight rust and corrosion while removing condensation in warm weather, and helps prevent fuel line freeze.

    • ASIN: B004NKYJMS
    • UPC: 071153785724
    • ASIN: B004NKYJMS
    • Brand: STP
    • Size: 5.25 Ounce
    • Manufacturer: STP

  • STP 78578 5.25 Ounce, Gas Treatment (5.25 Fluid Ounces) (Pack of 2), 14413

    STP Gas Treatment improves the quality of gas by adding powerful cleaning agents that help fight the accumulation of harmful carbon, gum and varnish deposits in the fuel system that can reduce performance. Also engineered to remove water, which can lead to fuel line freeze. This product is made with jet fuel, a high-quality carrier of active ingredients.

    • ASIN: B007JRQI7G
    • UPC: 071153785786
    • ASIN: B007JRQI7G
    • Brand: STP
    • Size: 5.25 Ounce, (Pack of 2)
    • Manufacturer: STP

  • Solder Seal M5012 One Each, 12 oz. Lead Substitute Cs-12

    Gunk Lead Substitute replaces lead protection. It contains valve seat anti-wear additive.

    • ASIN: B002008NWA
    • UPC: 078698135014
    • ASIN: B002008NWA
    • Brand: Solder Seal
    • Size: One Each, 12 oz.
    • Manufacturer: SOLDER SEAL

  • STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer (12 fl. oz.)

    STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer is scientifically engineered using advanced cleaning technology to keep all your engines running in top form. It contains 3X the amount of cleaning agents vs the leading premium gasoline to remove an average of 61%** of harmful intake valve deposits and restore an average of 95%*** of the original injector performance. This product also contains fuel stabilizer to help keep fuel fresh during storage. Compatible with gasoline engines (2&4 stroke), inclusive of boats, motorcycles, and lawnmowers. *One bottle contains 3X by weight the amoun... [Read More]

    • ASIN: B00K5L8H1I
    • UPC: 071153174375
    • ASIN: B00K5L8H1I
    • Brand: STP
    • Size: 12 Fluid Ounce
    • Manufacturer: STP

  • STP Octane Booster, 5.25 fluid ounces, 18040, Fuel Additive

    The STP Octane Booster boosts octane and helps stop knock and ping, restores horsepower, cleans the fuel intake system, prevents hard starting and stops engine

    • UPC: 16817401
    • Model: 10274B
    • Color: Multicolor
    • Size: 5.25 oz
    • Rating: 2.6

  • Sea Foam Motor Treatment

    Sea Foam Motor Treatment is a safe and versatile additive that can be used in fuel, oil or added directly into the combustion chamber on 2-cycle, 4-cycle, rotary and diesel engines. Sea Foam is a

    • UPC: 16664932
    • Model: SFSF16
    • Color: Multi-Colored,MulticolorMulticolor
    • Size: 16 fl oz (1 pt)
    • Rating: 4.779

  • Gumout Regane Complete Fuel System Cleaner 6oz - 510014W

    Use of a low quality discount gasoline can reduce your engine's performance. Gumout Regane Complete Fuel System Cleaner will remove water from gasoline, maximize your fuel economy, and restore your lost

    • UPC: 16888904
    • Model: 510014W
    • Color: Multicolor
    • Size: 6 oz
    • Rating: 4.667

  • STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive

    The STP Gas Treatment improves the quality of gas with powerful cleaning agents that fight the accumulation of harmful carbon, gum and varnish

    • UPC: 16817400
    • Model: 18406
    • Color: Multicolor
    • Size: 1
    • Rating: 4.5

  • Gumout Fuel Injector Cleaner/Carb Cleaner 6oz - 510021W

    Use of a low quality discount gasoline can reduce your engine's performance. Gumout Fuel Injector & Carburetor Cleaner restores your lost horsepower and prevents future deposit buildup in injectors, intake valves and

    • UPC: 16888902
    • Model: 510021W
    • Color: Multicolor
    • Size: 6 oz
    • Rating: 4.5

  • STP Super Concentrated Fuel Injector Cleaner, 5.25 fl. oz.

    The STP Super Concentrated Fuel Injector Cleaner has concentrated detergent to dissolve and remove harmful carbon, gum and varnish deposits in just one

    • UPC: 16817402
    • Model: 18404
    • Color: Multicolor
    • Size: 5.25 fl oz
    • Rating: 5.0

  • LUCAS OIL 10013 Fuel Treatment Gallon

    GAL Fuel Treatment

    • UPC: 45819324
    • Model: LOP10013
    • Color: AmberYellow
    • Size: 1 Gallon (128 Ounces)
    • Rating: 4.795

  • Lucas Oil 10026 Fuel Treatments, Octane Booster Bottle, 15oz Size Bottle

    LUCAS OIL 10026 Octane Booster 15 Ounce LUCAS OIL

    • UPC: 44832261
    • Model: 10026_43
    • Color: NAOther
    • Size: 15 oz

  • STP 78568 Complete Fuel System Cleaner - 5.25 fl. oz.

    This STP Complete Fuel System Cleaner contains the highest level of detergents of any STP formula. It helps clean your entire fuel system to restore its optimum operating condition. The advanced formula helps clean fuel

    • UPC: 16641228
    • Model: 18407
    • Color: Multicolor
    • Size: 5.25 fl oz
    • Rating: 3.667

  • STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer, 8 oz.

    STA-BIL Marine Formula Ethanol Fuel Treatment and Stabilizer is the best ethanol problem fighter. This is more than four times the fuel system cleaner than the regular STA-BIL and double the corrosion fighter. STA-BIL Marine

    • UPC: 16645041
    • Model: 22239
    • Color: Blue/GreenBlue
    • Size: 32 oz
    • Rating: 4.891

  • Do Fuel Additives Work in Your Car?

    The Truth About Using Fuel Additives in Your Car

    Wich fuel additive is best? B12 Chemtool vs Gumout vs Lucas Oil vs Gumout