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Fuel System Additives

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives,...

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives, you can safely clean your fuel injectors with fuel system cleaners, stabilize your fuel for storage, boost your octane or cetane levels with an octane booster or a cetane booster, or even change nitromethane fumes into something smelling more pleasant.

Top Brands

Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out....

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives, you can safely clean your fuel injectors with fuel system cleaners, stabilize your fuel for storage, boost your octane or cetane levels with an octane booster or a cetane booster, or even change nitromethane fumes into something smelling more pleasant.

Top Brands

Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out. Shop from trusted brands like Red Line, Sta-Bil, Driven Racing Oils, VP Racing, Lucas Oil, Hot Shot’s Secret, Royal Purple, Sea Foam, Motorcraft, and many more.

Showing In Stock Items. Show All 61 Items.

Individual Parts

Part Groups

Results 1 - 25 of 53

Torco Unleaded Accelerator F500010TE

Made in the USA

Torco Unleaded Accelerator F500010TE

Torco Unleaded Accelerator F500010TE

Fuel System Additive, Unleaded Accelerator, Oxygen Sensor Safe, 32 oz., Each

Part Number: TIC-F500010TE

4.54 out of 5 stars ( 26 )

Cannot be shipped Internationally

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Boostane Professional Octane Booster OCT32PRO1

Boostane Professional Octane Booster OCT32PRO1

Boostane Professional Octane Booster OCT32PRO1

Fuel Additive, Professional Booster, Octane Boost, 116 Octane, 1 Quart, Each

Part Number: BTN-BSTOCT32PRO1

5.0 out of 5 stars ( 5 )

Cannot be shipped Internationally

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Klotz Synthetic Uplon Fuel Lubricant KL-107

Klotz Synthetic Uplon Fuel Lubricant KL-107

Klotz Synthetic Uplon Fuel Lubricant KL-107

Upper Cylinder Fuel Lubricant, 1 Quart, Treats 55 Gallons, Each

Part Number: KLZ-KL-107

5.0 out of 5 stars ( 19 )

Cannot be shipped Internationally

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Race Gas Ultra Fuel Concentrate 200032

Made in the USA

Race Gas Ultra Fuel Concentrate 200032

Race Gas Ultra Fuel Concentrate 200032

Fuel System Additive, Race Gas Ultra, 32 oz., Each

Part Number: MEF-200032

4.6 out of 5 stars ( 15 )

Cannot be shipped Internationally

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Torco Unleaded Accelerator F500010T

Torco Unleaded Accelerator F500010T

Torco Unleaded Accelerator F500010T

Fuel System Additive, Unleaded Accelerator, Oxygen Sensor Safe, 32 oz., Set of 6

Part Number: TIC-F500010T

4.73 out of 5 stars ( 40 )

Cannot be shipped Internationally

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Race Gas Race Fuel Concentrate 100032

Made in the USA

Race Gas Race Fuel Concentrate 100032

Race Gas Race Fuel Concentrate 100032

Fuel System Additive, Race Gas, 32 oz., Each

Part Number: MEF-100032

4.82 out of 5 stars ( 65 )

Cannot be shipped Internationally

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Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT16ZSP

Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT16ZSP

Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT16ZSP

Fuel System Additive, Everyday Diesel Treatment, Fuel System Cleaner, 16 oz., Squeeze Bottle, Each

Part Number: HOS-HSSEDT16ZSP

4.75 out of 5 stars ( 8 )

Cannot be shipped Internationally

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Klotz Synthetic Uplon Fuel Lubricant KL-108

Klotz Synthetic Uplon Fuel Lubricant KL-108

Klotz Synthetic Uplon Fuel Lubricant KL-108

Upper Cylinder Fuel Lubricant, 1 Gallon, Treats 220 Gallons, Each

Part Number: KLZ-KL-108

Not Yet Reviewed

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Boostane Professional Octane Booster OCT32PRO6

Boostane Professional Octane Booster OCT32PRO6

Boostane Professional Octane Booster OCT32PRO6

Fuel Additive, Professional Booster, Octane Boost, 116 Octane, 1 Quart, Set of 6

Part Number: BTN-BSTOCT32PRO6

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Race Gas Race Fuel Concentrate 100132

Made in the USA

Race Gas Race Fuel Concentrate 100132

Race Gas Race Fuel Concentrate 100132

Fuel System Additive, Race Gas, 32 oz., Set of 6

Part Number: MEF-100132

4.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

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Race Gas Ultra Fuel Concentrate 200132

Made in the USA

Race Gas Ultra Fuel Concentrate 200132

Race Gas Ultra Fuel Concentrate 200132

Fuel System Additive, Race Gas Ultra, 32 oz., Set of 6

Part Number: MEF-200132

5.0 out of 5 stars ( 3 )

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Schaeffer's Neutra Fuel Stabilizer 0131-004-1

Schaeffer's Neutra Fuel Stabilizer 0131-004-1

Schaeffer's Neutra Fuel Stabilizer 0131-004-1

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 1 Gallon

Part Number: SFO-0131-004-1

Not Yet Reviewed

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This product may not be eligible for select promotional offers

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA0421

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA0421

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA0421

Schaeffer’s Specialized Lubricants CarbonTreat Premium All Season, 16 oz.

Part Number: SFO-0137CTPA0421

Not Yet Reviewed

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Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX432Z

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX432Z

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX432Z

Fuel System Additives, LX4 Lubricity, Unscented, 320 Gallons Treated, 1 Quart, Each

Part Number: HOS-LX432Z

5.0 out of 5 stars ( 3 )

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Boostane Marine Octane Booster OCT32MAR1

Boostane Marine Octane Booster OCT32MAR1

Boostane Marine Octane Booster OCT32MAR1

Fuel Additive, Marine Booster, Octane Boost, 116 Octane, 1 Quart, Each

Part Number: BTN-BSTOCT32MAR1

Not Yet Reviewed

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Red Line RL-2 Diesel Ignition Improver 70303

Red Line RL-2 Diesel Ignition Improver 70303

Red Line RL-2 Diesel Ignition Improver 70303

Fuel Additive, RL-2 Diesel Ignition Improver, 15 oz., Each

Part Number: RED-70303

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally

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Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX404Z

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX404Z

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX404Z

Fuel System Additives, LX4 Lubricity, Unscented, 40 Gallons Treated, 4 oz., Each

Part Number: HOS-LX404Z

5.0 out of 5 stars ( 1 )

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Schaeffer's Neutra Fuel Stabilizer 0131-004

Schaeffer's Neutra Fuel Stabilizer 0131-004

Schaeffer's Neutra Fuel Stabilizer 0131-004

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 1 Gallon (Case of 4)

Part Number: SFO-0131-004

Not Yet Reviewed

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Klotz Synthetic Uplon Fuel Lubricant KL-106

Klotz Synthetic Uplon Fuel Lubricant KL-106

Klotz Synthetic Uplon Fuel Lubricant KL-106

Upper Cylinder Fuel Lubricant, 1 Pint, Treats 32 Gallons, Each

Part Number: KLZ-KL-106

Not Yet Reviewed

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Boostane Shot Octane Booster OCT04SHOT10

Boostane Shot Octane Booster OCT04SHOT10

Boostane Shot Octane Booster OCT04SHOT10

Fuel Additive, Shot Booster, Octane Boost, 96 Octane, 4 oz., Set of 10

Part Number: BTN-S0005

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Liqui Moly Super Diesel Additive 2002

Liqui Moly Super Diesel Additive 2002

Liqui Moly Super Diesel Additive 2002

Super Diesel Additive , Tin Can, 300 ml, Eachl

Part Number: LIM-2002

Not Yet Reviewed

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VP Racing Madditive Cetanium Cetane Concentrate 2865

VP Racing Madditive Cetanium Cetane Concentrate 2865

VP Racing Madditive Cetanium Cetane Concentrate 2865

Fuel System Additive, Madditive Cetanium Cetane Concentrate, Unscented, 10 Gallons Treated, 32 oz., Each

Part Number: VPR-2865

5.0 out of 5 stars ( 1 )

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Red Line Motorcycle Fuel System Cleaner 60102

Red Line Motorcycle Fuel System Cleaner 60102

Red Line Motorcycle Fuel System Cleaner 60102

Fuel Additive, Fuel System Cleaner, Motorcycle Use, 4 oz., Each

Part Number: RED-60102

4.5 out of 5 stars ( 4 )

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Schaeffer's Neutra Fuel Stabilizer 0131-021-1

Schaeffer's Neutra Fuel Stabilizer 0131-021-1

Schaeffer's Neutra Fuel Stabilizer 0131-021-1

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 12 oz.

Part Number: SFO-0131-021-1

Not Yet Reviewed

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This product may not be eligible for select promotional offers

Boostane Marine Octane Booster OCT32MAR6

Boostane Marine Octane Booster OCT32MAR6

Boostane Marine Octane Booster OCT32MAR6

Fuel Additive, Marine Booster, Octane Boost, 116 Octane, 1 Quart, Set of 6

Part Number: BTN-BSTOCT32MAR6

Not Yet Reviewed

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