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....

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.

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Results 1 - 25 of 283

Hot Shot's Secret Diesel Extreme Fuel System Additive P040405G

Fuel System Additive, Diesel Extreme, Fuel System Cleaner, 5 Gallon, Each

Part Number: HOS-P040405G

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line 85 Plus Diesel Fuel Additive 70802

Fuel Additive, 85 Plus Diesel Fuel Additive, Cetane Boost, 12 oz., Each

Part Number: RED-70802

4.67 out of 5 stars ( 15 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

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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Cannot be shipped Internationally

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX4401G

FUEL SYSTEM ADDITIVE, LX4, 1 GALLON, Each

Part Number: HOS-LX4401G

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line 85 Plus Diesel Fuel Additive 70902

Fuel Additive, 85+ Diesel Fuel Enhancer, Winter Formula, 12 oz., Each

Part Number: RED-70902

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

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

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 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret Diesel Extreme Fuel System Additive P040432Z

Fuel System Additive, Diesel Extreme, Fuel System Cleaner, 32 oz., Each

Part Number: HOS-P040432Z

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX416ZSP

Fuel System Additives, LX4 Lubricity, Unscented, 160 Gallons Treated, 16 oz., Each

Part Number: HOS-LX416ZSP

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Driven Racing Oil Injector Defender Fuel Additive 70048-6

Fuel System Additives, Fuel Injector Defender, Gasoline, Fuel Injector Cleaner, Corrosion Inhibitor, 25 Gallons Treated, 10 oz. Bottle, Set of 6

Part Number: JGR-70048-6

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Liqui Moly Speed Tec Gasoline Fuel Additive 20234

Fuel System Additive, Speed Tec, Gasoline, High-Tech Fuel Additive, 8.4 oz. 7-20 Gal., Each

Part Number: LIM-20234

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

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 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line 85 Plus Diesel Fuel Additive 70805

Fuel Additive, 85 Plus Diesel Fuel Additive, Cetane Boost, 1 gallon, Each

Part Number: RED-70805

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line 85 Plus Diesel Fuel Additive 70902-12

Fuel Additive, 85+ Diesel Fuel Enhancer, Winter Formula, 12 oz., Set of 12

Part Number: RED-70902-12

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 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

Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT05G

Fuel System Additive, Everyday Diesel Treatment, Unscented, 16,000 Gallons Treated, 5 Gallons, Each

Part Number: HOS-HSSEDT05G

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Helix Racing Products 5-in-1 Ultimate Fuel Additive 911-1208

5 IN 1 FUEL ADDITIVE 1 - 8 OZ. BOTTLE

Part Number: HLX-911-1208

Not Yet Reviewed

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

Hot Shot's Secret Gasoline Extreme Fuel System Additive GE05G

Gasoline Extreme Fuel System Additive, 5 Gallons., Treats 1,800 Gallons,Each

Part Number: HOS-GE05G

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Hot Shot's Secret LX4 Lubricity Extreme Fuel System Additive LX405G

Fuel System Additives, LX4 Lubricity, Unscented, 6,400 Gallons Treated, 5 Gallons, Each

Part Number: HOS-LX405G

Not Yet Reviewed

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

Driven Racing Oil Carb Defender Fuel Additive 70040

Fuel System Additive, Carb Defender, 10 oz., Each

Part Number: JGR-70040

5.0 out of 5 stars ( 16 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT32Z

Fuel System Additive, Everyday Diesel Treatment, Fuel System Cleaner, 32 oz., Each

Part Number: HOS-HSSEDT32Z

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret Gasoline Extreme Fuel System Additive GE32Z

Gasoline Extreme Fuel System Additive, 32 oz., Treats 40 Gallons,Each

Part Number: HOS-GE32Z

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret Diesel Extreme Fuel System Additive P040464Z

Fuel System Additive, Diesel Extreme, Fuel System Cleaner, 64 oz., Each

Part Number: HOS-P040464Z

4.5 out of 5 stars ( 2 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hot Shot's Secret Diesel Extreme Fuel System Additive P040401G

Fuel System Additive, Diesel Extreme, Fuel System Cleaner, 1 Gallon, Each

Part Number: HOS-P040401G

3.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

Need It Sooner? We recommend these similar substitute parts:

Lucas Fuel Treatment 10013-1

4.75 out of 5 stars ( 161 )

Cannot be shipped Internationally

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Red Line 85 Plus Diesel Fuel Additive 70802-12

Fuel Additive, 85 Plus Diesel Fuel Additive, Cetane Boost, 12 oz., Set of 12

Part Number: RED-70802-12

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

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