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.

Showing In Stock Items. Show All 28 Items.

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Results 1 - 24 of 24

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 if shipped by air

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Cannot be shipped Internationally if shipped by air

Royal Purple Max-Boost Octane Booster and Fuel System Stabilizer 11757

Fuel System Additive, Max-Boost Octane Booster and Fuel System Stabilizer, Power Additive, 16 oz., Each

Part Number: RPO-11757

4.78 out of 5 stars ( 32 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

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 ( 2 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Neutra Fuel Stabilizer 0131-004-1

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 1 Gallon

Part Number: SFO-0131-004-1

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

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 if shipped by air

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Cannot be shipped Internationally if shipped by air

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 if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Diesel Treat 2000 Ultra Low Sulfur Year-Round Blend 0137-042-1

Schaeffer’s Specialized Lubricants Diesel Treat 2000 Ultra Low Sulfur, 16 oz.

Part Number: SFO-0137-042-1

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Neutra Fuel Stabilizer 0131-021-1

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 12 oz.

Part Number: SFO-0131-021-1

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Hot Shot's Secret Gasoline Extreme Fuel System Additive GE12Z

Gasoline Extreme Fuel System Additive, 12 oz., Each

Part Number: HOS-GE12Z

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Neutra Fuel Stabilizer 0131-004

Schaeffer’s Specialized Lubricants Neutra Fuel Stabilizer, 1 Gallon (Case of 4)

Part Number: SFO-0131-004

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Quicksilver Quickleen Engine and Fuel System Cleaner 8M0047921

Fuel Treatment, Quickleen, Cleaner and Tune Up, 12 oz., Each

Part Number: QSV-8M0047921

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's SoyShield All-Season Diesel Additive 0139A-042-1

Schaeffer’s Specialized Lubricants SoyShield All Season, 16 oz.

Part Number: SFO-0139A-042-1

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

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 if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Diesel Treat 2000 Ultra Low Sulfur Year-Round Blend 0137-042

Schaeffer’s Specialized Lubricants Diesel Treat 2000 Ultra Low Sulfur, 16 oz. (Case of 24)

Part Number: SFO-0137-042

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Klotz Synthetic HeliGlow Lubricant KL-189

Klotz Synthetic HeliGlow Lubricant KL-189

Fuel System Additive, HeliGlow Synthetic Lubricant, 1 Gallon, Each

Part Number: KLZ-KL-189

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Liqui Moly Truck Series DPF Protector 20258

Fuel Additive, Truck Series DPF Protector, Performance and Protectant, with/without Turbocharger, 16.9 oz., Each

Part Number: LIM-20258

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's Neutra Fuel Stabilizer 0131-021

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

Part Number: SFO-0131-021

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Liquid Performance Complete Fuel System Cleaner 0864

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

Part Number: LQP-0864

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Quicksilver Quickleen Engine and Fuel System Cleaner 8M0058681

Fuel Treatment, Quickleen, Cleaner and Tune Up, 32 oz., Each

Part Number: QSV-8M0058681

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Liquid Performance Complete Fuel System Cleaner 0767

Fuel System Additive, Complete Fuel System Cleaner, 4 oz., Each

Part Number: LQP-0767

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Schaeffer's SoyShield All-Season Diesel Additive 0139A-042

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

Part Number: SFO-0139A-042

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Quicksilver Quickare Fuel Treatment 8M0047920

Fuel Treatment, Quickare, Cleaner and Stabilizer, 12 oz., Each

Part Number: QSV-8M0047920

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Quicksilver Quickare Fuel Treatment 8M0058680

Fuel Treatment, Quickare, Cleaner and Stabilizer, 32 oz., Each

Part Number: QSV-8M0058680

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Liqui Moly Diesel Particulate Filter Protector 2000

Diesel Particulate Filter Protector ,Tin can

Part Number: LIM-2000

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

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