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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 11 Items.

Individual Parts

Part Groups

Results 1 - 7 of 7

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

Cannot be shipped Internationally

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Cannot be shipped Internationally

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA-042

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA-042

Schaeffer's CarbonTreat Premium All-Season Diesel Fuel Additive 0137CTPA-042

Schaeffer’s Specialized Lubricants CarbonTreat Premium All Season, 16 oz. (Case of 24)

Part Number: SFO-0137CTPA-042

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

aFe Pro GUARD HD Diesel Fuel Booster 90-30006

Made in the USA

aFe Pro GUARD HD Diesel Fuel Booster 90-30006

aFe Pro GUARD HD Diesel Fuel Booster 90-30006

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: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Lucas Cetane Power Booster 11031

Made in the USA

Lucas Cetane Power Booster 11031

Lucas Cetane Power Booster 11031

Fuel System Additive, Cetane Boost, Unscented, 60 Gallons Treated, 16 oz., Set of 12

Part Number: LUC-11031

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Cetane Power Booster 11032

Made in the USA

Lucas Cetane Power Booster 11032

Lucas Cetane Power Booster 11032

Fuel System Additive, Cetane Power, 64 oz., Set of 6

Part Number: LUC-11032

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Cetane Power Booster 11031-1

Made in the USA

Lucas Cetane Power Booster 11031-1

Lucas Cetane Power Booster 11031-1

Fuel System Additive, Cetane Boost, Unscented, 60 Gallons Treated, 16 oz., Each

Part Number: LUC-11031-1

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Cetane Power Booster 11032-1

Made in the USA

Lucas Cetane Power Booster 11032-1

Lucas Cetane Power Booster 11032-1

Fuel System Additive, Cetane Power, 64 oz., Each

Part Number: LUC-11032-1

4.5 out of 5 stars ( 2 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

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