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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 268

RV ENGINE PROTECTOR, 32 OZ ROUND, 32 OZ ROUND

Part Number: HOS-S0010

Not Yet Reviewed

Cannot be shipped Internationally

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Octane Booster, Motorcycle, 2 oz. Bottle, Each

Part Number: LUC-10725-1

5.0 out of 5 stars ( 3 )

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In Store Purchase Only

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

Part Number: LQP-0864

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

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 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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Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 12 oz. (Case of 24)

Part Number: SFO-0131-021

Not Yet Reviewed

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Cannot be shipped Internationally

Fuel Additive, Shot Booster, Octane Boost, 96 Octane, 4 oz., Set of 100

Part Number: BTN-S0006

Not Yet Reviewed

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Cannot be shipped Internationally

Fuel Additive, Marine Booster, Octane Boost, 116 Octane, 1 Quart, Set of 20

Part Number: BTN-S0003

Not Yet Reviewed

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Fuel System Additive, Octane Booster, 15 Gallons of Fuel Treated, 5.25 oz., Set of 12

Part Number: LUC-10930

Not Yet Reviewed

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Cannot be shipped Internationally

In Store Purchase Only

Upper Cylinder Fuel Lubricant, Uplon, 1 Pint, Treats 32 Gallons, Set of 10

Part Number: KLZ-KL-106-10

Not Yet Reviewed

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In Store Purchase Only

Upper Cylinder Fuel Lubricant, Uplon, 1 Quart, Treats 55 Gallons, Set of 10

Part Number: KLZ-KL-107-10

Not Yet Reviewed

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In Store Purchase Only

Fuel Additive, 85 Plus Diesel Fuel Additive, Cetane Boost, 1 gallon, Set of 4

Part Number: RED-70805-4

Not Yet Reviewed

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Fuel Additive, Fleet Diesel Additive, Cetane Boost/Fuel System Cleaner, 16 oz., Set of 30

Part Number: BTN-S0007

Not Yet Reviewed

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Marine Octane Booster, 1 Quart, Set of 4

Part Number: BTN-BSTOCT32MAR4

Not Yet Reviewed

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Octane Booster, Motorcycle, 2 oz. Bottle, Set of 18

Part Number: LUC-10725

5.0 out of 5 stars ( 3 )

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In Store Purchase Only

Fuel System Additive, Marine Super Diesel Additive, 1.00 Liter, Each

Part Number: LIM-20552

Not Yet Reviewed

Cannot be shipped Internationally

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Quicksilver Fuel Water Eliminator Marine Polymer Crystal Ethanol Blended 808887Q

Part Number: QSV-808887Q

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: MEF-300132

Not Yet Reviewed

Cannot be shipped Internationally

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Fuel Additive, 107R Race Octane Booster 32oz cans, case of 8

Part Number: DWK-1-107R-CS

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Fuel System Additives, Pro GUARD HD Diesel Fuel Booster, Fuel Injector Cleaner, Unscented, 100 Gallons of Fuel Treated, 10 oz., Set of 6

Part Number: AFE-90-30006

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Fuel Additive, 107R Race Octane Booster 32oz can

Part Number: DWK-1-107R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Power Boost 2oz Retail bottle

Part Number: VPR-2823

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

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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Estimated Ship Date: Today

Fuel Additive, Monster Boost Performance Diesel Additive, Cetane boost, 4 oz., Each

Part Number: LQP-0763

Not Yet Reviewed

Cannot be shipped Internationally

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Fuel Additive, Diesel Dr. XT Winter Formula, Cetane Boost, Fuel System Cleaner, Lubricant, 32 oz., Each

Part Number: LQP-0125

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally