Availability
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 328 Items.
RV ENGINE PROTECTOR, 32 OZ ROUND, 32 OZ ROUND
Part Number: HOS-S0010
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
In Store Purchase Only
Fuel Additive, Fuel System Cleaner, 16 oz., Each
Part Number: LQP-0864
Not Yet Reviewed
Cannot be shipped Internationally
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
Cannot be shipped Internationally
Cannot be shipped Internationally
Fuel System Additive, High-Mileage, Unscented, O2 Sensor Safe, 5.25 oz., Set of 24
Part Number: LUC-10977
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 12 oz. (Case of 24)
Part Number: SFO-0131-021
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Fuel Additive, Shot Booster, Octane Boost, 96 Octane, 4 oz., Set of 100
Part Number: BTN-S0006
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Fuel Additive, Marine Booster, Octane Boost, 116 Octane, 1 Quart, Set of 20
Part Number: BTN-S0003
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Fuel System Additive, Octane Booster, 15 Gallons of Fuel Treated, 5.25 oz., Set of 12
Part Number: LUC-10930
Not Yet Reviewed
Cannot be shipped Internationally
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
Cannot be shipped Internationally
Cannot be shipped Internationally
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
Cannot be shipped Internationally
Cannot be shipped Internationally
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
Cannot be shipped Internationally
Cannot be shipped Internationally
Fuel Additive, Fleet Diesel Additive, Cetane Boost/Fuel System Cleaner, 16 oz., Set of 30
Part Number: BTN-S0007
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Marine Octane Booster, 1 Quart, Set of 4
Part Number: BTN-BSTOCT32MAR4
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
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
Cannot be shipped Internationally
Quicksilver Fuel Water Eliminator Marine Polymer Crystal Ethanol Blended 808887Q
Part Number: QSV-808887Q
Not Yet Reviewed
Estimated Ship Date: Today
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
Cannot be shipped Internationally
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
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
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
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
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
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
Cannot be shipped Internationally
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
Cannot be shipped Internationally
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