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Fuel System Additives

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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.

Individual Parts

Results 1 - 25 of 197

Fuel System Additive, Octanium Unleaded, Catalytic Converter/Oxygen Sensor Safe, 32 oz., Each

Part Number: VPR-29505

4.91 out of 5 stars ( 11 )

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Fuel System Additive, Max-Restore, Fuel System Cleaner, Unscented, High Mileage, Oxygen Sensor Safe, 6 oz., Each

Part Number: RPO-18001-1

Not Yet Reviewed

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Fuel System Additive, Anti-Gel Cold Weather Diesel Treatment, Oxygen Sensor Safe, 64 oz., Each

Part Number: LUC-10866-1

5.0 out of 5 stars ( 2 )

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Fuel System Additive, Diesel Winter Anti-Gel Additive, Unscented, 1,024 Gallons of Fuel Treated, Oxygen Sensor Safe, 1.00 Gallon Volume, Each

Part Number: HOS-P403301G

Not Yet Reviewed

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Fuel System Additive, Diesel Winter Anti-Gel Additive, Unscented, 800 Gallons of Fuel Treated, Oxygen Sensor Safe, 1.00 Gallon Volume, Each

Part Number: HOS-EDTWAG1G

Not Yet Reviewed

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Fuel System Additive, Anti-Gel Cold Weather Diesel Treatment, Oxygen Sensor Safe, 64 oz., Set of 6

Part Number: LUC-10866

5.0 out of 5 stars ( 1 )

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Fuel System Additive, Diesel Winter Anti-Gel Additive, Unscented, 100 Gallons of Fuel Treated, Oxygen Sensor Safe, 16.00 oz., Squeeze Bottle, Each

Part Number: HOS-EDTWAG16OZSQ

Not Yet Reviewed

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Fuel System Additive, Octane Booster, Oxygen Sensor Safe, Treats Up To 20 Gallons, 16 oz., Each

Part Number: NOS-120-NOSOB-16

Not Yet Reviewed

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Fuel System Additive, High-Mileage, Unscented, O2 Sensor Safe, 5.25 oz., Set of 24

Part Number: LUC-10977

Not Yet Reviewed

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Fuel Additive, Diesel Doctor Fuel System Treatment, Cleaner, Oxygen Sensor Safe, 4 oz., Each

Part Number: LQP-0824

Not Yet Reviewed

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Fuel System Additives, Fuel Stabilizer, Unscented, Treats Up to 240 Gallons, 32 oz., Oxygen Sensor Safe, Each

Part Number: LQP-0830

Not Yet Reviewed

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Fuel System Additive, Fuel System Cleaner, Unscented, Oxygen Sensor Safe, 6 oz., Set of 6

Part Number: RPO-18001

5.0 out of 5 stars ( 1 )

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Fuel System Additive, Cetane Booster, Oxygen Sensor Safe, 12.00 oz. Volume, Treats 35 Gallons, Each

Part Number: KNN-99-2030

Not Yet Reviewed

Estimated Ship Date: Today

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Fuel System Additive, Octane Booster, Oxygen Sensor Safe, 16.00 oz. Volume, Treats 18 Gallons, Each

Part Number: KNN-99-2020

Not Yet Reviewed

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Fuel Additive, Diesel Doctor Fuel System Treatment, Cleaner, Oxygen Sensor Safe, 16 oz., Each

Part Number: LQP-0826

Not Yet Reviewed

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Fuel System Additive, Anti-Gel Cold Weather Diesel Treatment, Oxygen Sensor Safe, Unscented, 1.00 qt., Set of 12

Part Number: LUC-10865

Not Yet Reviewed

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

Part Number: BTN-BSTOCT32PRO1

5.0 out of 5 stars ( 5 )

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Fuel Additive, Octane Booster, Treats up to 25 Gallons, 15 fluid oz., Each

Part Number: LUC-10026-1

4.86 out of 5 stars ( 29 )

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Fuel System Additive, Octane Booster, 1 gallon, Each

Part Number: KLZ-KL-628

5.0 out of 5 stars ( 30 )

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Fuel Additive, Premium Booster, Octane Boost, 100 Octane, 16 oz., Each

Part Number: BTN-BSTOCT16PRE1

5.0 out of 5 stars ( 1 )

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

Part Number: BTN-BSTOCT32PRO6

5.0 out of 5 stars ( 1 )

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Fuel Additive, Cataclean, Fuel System Cleaner, 5 Liters, Each

Part Number: CFC-120009CAT

4.75 out of 5 stars ( 4 )

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Fuel Additive, Cataclean, Fuel System Cleaner, 16 oz., Each

Part Number: CFC-120007

5.0 out of 5 stars ( 2 )

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Fuel System Additive, Lucas Deep Clean Fuel System Cleaner, 5.25 oz., Each

Part Number: LUC-10669-1

5.0 out of 5 stars ( 4 )

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Fuel System Additive, Deep Cleaner, 16 oz., Each

Part Number: LUC-10512-1

4.93 out of 5 stars ( 14 )

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