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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 325 Items.

Individual Parts

Part Groups

Results 1 - 25 of 274

Torco Unleaded Accelerator F500010TE

Made in the USA

Torco Unleaded Accelerator F500010TE

Torco Unleaded Accelerator F500010TE

Fuel System Additive, Unleaded Accelerator, Oxygen Sensor Safe, 32 oz., Each

Part Number: TIC-F500010TE

4.54 out of 5 stars ( 26 )

Cannot be shipped Internationally

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Hot Shot's Secret Diesel Extreme Fuel System Additive P040405G

Hot Shot's Secret Diesel Extreme Fuel System Additive P040405G

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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Red Line SI-1 Complete Fuel System Cleaner 60103

Red Line SI-1 Complete Fuel System Cleaner 60103

Red Line SI-1 Complete Fuel System Cleaner 60103

Fuel Additive, Fuel Injector Cleaner, SI-1, 15 oz., Each

Part Number: RED-60103

5.0 out of 5 stars ( 38 )

Cannot be shipped Internationally

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Power Plus Fuel Fragrances 19769-32

Made in the USA

Power Plus Fuel Fragrances 19769-32

Power Plus Fuel Fragrances 19769-32

Fuel Additive, Fuel Fragrance, Groovy Grape, 4 oz., Each

Part Number: PLU-19769-32

4.87 out of 5 stars ( 71 )

Cannot be shipped Internationally

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Boostane Professional Octane Booster OCT32PRO1

Boostane Professional Octane Booster OCT32PRO1

Boostane Professional Octane Booster OCT32PRO1

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

Part Number: BTN-BSTOCT32PRO1

5.0 out of 5 stars ( 5 )

Cannot be shipped Internationally

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Race Gas Race Fuel Concentrate 100032

Made in the USA

Race Gas Race Fuel Concentrate 100032

Race Gas Race Fuel Concentrate 100032

Fuel System Additive, Race Gas, 32 oz., Each

Part Number: MEF-100032

4.82 out of 5 stars ( 65 )

Cannot be shipped Internationally

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Red Line SI-1 Complete Fuel System Cleaner 60103-12

Red Line SI-1 Complete Fuel System Cleaner 60103-12

Red Line SI-1 Complete Fuel System Cleaner 60103-12

Fuel Additive, SI-1 Complete Fuel System Cleaner, 15 oz., Set of 12

Part Number: RED-60103-12

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Klotz Synthetic Uplon Fuel Lubricant KL-107

Klotz Synthetic Uplon Fuel Lubricant KL-107

Klotz Synthetic Uplon Fuel Lubricant KL-107

Upper Cylinder Fuel Lubricant, 1 Quart, Treats 55 Gallons, Each

Part Number: KLZ-KL-107

5.0 out of 5 stars ( 19 )

Cannot be shipped Internationally

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Cataclean Fuel System Cleaner 120009CAT

Cataclean Fuel System Cleaner 120009CAT

Cataclean Fuel System Cleaner 120009CAT

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

Part Number: CFC-120009CAT

4.75 out of 5 stars ( 4 )

Cannot be shipped Internationally

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Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT16ZSP

Hot Shot's Secret Everday Diesel Treatment Fuel System Additive HSSEDT16ZSP

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 )

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Hot Shot's Secret Diesel Extreme Fuel System Additive P040464Z

Hot Shot's Secret Diesel Extreme Fuel System Additive P040464Z

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

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

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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Hot Shot's Secret Gasoline Extreme Fuel System Additive GE32Z

Hot Shot's Secret Gasoline Extreme Fuel System Additive GE32Z

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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Lucas Deep Clean Fuel System Cleaner 10512-1

Made in the USA

Lucas Deep Clean Fuel System Cleaner 10512-1

Lucas Deep Clean Fuel System Cleaner 10512-1

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

Part Number: LUC-10512-1

4.93 out of 5 stars ( 14 )

Cannot be shipped Internationally

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Race Gas Ultra Fuel Concentrate 200032

Made in the USA

Race Gas Ultra Fuel Concentrate 200032

Race Gas Ultra Fuel Concentrate 200032

Fuel System Additive, Race Gas Ultra, 32 oz., Each

Part Number: MEF-200032

4.6 out of 5 stars ( 15 )

Cannot be shipped Internationally

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Hot Shot's Secret Diesel Extreme Fuel System Additive P040401G

Hot Shot's Secret Diesel Extreme Fuel System Additive P040401G

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

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VP Racing Madditive Octanium Unleaded Concentrate 29505

VP Racing Madditive Octanium Unleaded Concentrate 29505

VP Racing Madditive Octanium Unleaded Concentrate 29505

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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Lucas Diesel Deep Clean Fuel System Cleaner 10873

Made in the USA

Lucas Diesel Deep Clean Fuel System Cleaner 10873

Lucas Diesel Deep Clean Fuel System Cleaner 10873

Fuel System Additive, Diesel Deep Clean Fuel System Cleaner, Unscented, 120 Gallon Treatment, 64 oz., Set of 6

Part Number: LUC-10873

Not Yet Reviewed

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Cataclean Fuel System Cleaner 120007

Cataclean Fuel System Cleaner 120007

Cataclean Fuel System Cleaner 120007

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

Part Number: CFC-120007

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally

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Lucas Fuel Treatment 10080

Made in the USA

Lucas Fuel Treatment 10080

Lucas Fuel Treatment 10080

Fuel System Additive, Lucas Fuel Treatment, 5 gallons, Each

Part Number: LUC-10080

5.0 out of 5 stars ( 17 )

Cannot be shipped Internationally

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Lucas Deep Clean Fuel System Cleaner 10669-1

Made in the USA

Lucas Deep Clean Fuel System Cleaner 10669-1

Lucas Deep Clean Fuel System Cleaner 10669-1

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 )

Cannot be shipped Internationally

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

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

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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Hot Shot's Secret Diesel Extreme Fuel System Additive P040432Z

Hot Shot's Secret Diesel Extreme Fuel System Additive P040432Z

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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VP Racing Madditive Fuel System Cleaner 2805

VP Racing Madditive Fuel System Cleaner 2805

VP Racing Madditive Fuel System Cleaner 2805

Fuel System Additive, Madditive Fuel System Cleaner, Unscented, 20 Gallons Treated, 16 oz., Each

Part Number: VPR-2805

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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

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

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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