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 26 Items.

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Results 1 - 22 of 22

ATP Intake Blast Intake System Cleaner AT-100

Direct Injection Cleaner, Intake Blast, 7.5 oz., Each

Part Number: ATP-AT-100

1.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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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 ( 37 )

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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 )

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Royal Purple Max-Clean Fuel System Cleaner & Stabilizer 11723

Fuel Additive, Max-Clean Fuel System Cleaner & Stabilizer, 20 oz. Can, Set of 6

Part Number: RPO-11723

Not Yet Reviewed

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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

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Lucas High-Mileage Fuel Treatment 10977-1

Lucas High-Mileage Fuel Treatment 10977-1

Fuel System Additive, High-Mileage Fuel Treatment, Fuel System Cleaner, 5.25 oz., Each

Part Number: LUC-10977-1

Not Yet Reviewed

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Red Line Motorcycle Fuel System Cleaner 60102

Fuel Additive, Fuel System Cleaner, Motorcycle Use, 4 oz., Each

Part Number: RED-60102

4.5 out of 5 stars ( 4 )

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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

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Hot Shot's Secret Premium RV Gas Additive HSSGAS16ZSP

PREMIUM RV GAS ADDITIVE, 16 OZ SQUEEZE, 16 OZ SQUEEZE

Part Number: HOS-HSSGAS16ZSP

Not Yet Reviewed

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Liquid Performance Complete Fuel System Cleaner 0864

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

Part Number: LQP-0864

Not Yet Reviewed

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Royal Purple Max-Clean Fuel System Cleaner & Stabilizer 11722

Fuel Additive, Max-Clean Fuel System Cleaner & Stabilizer, 20 oz. Can, Each

Part Number: RPO-11722

4.96 out of 5 stars ( 53 )

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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 )

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Royal Purple Max-Tane Diesel Fuel Injection Cleaner & Cetane Booster 11755

Fuel System Additive, Max-Tane, Diesel Fuel Injection Cleaner & Cetane Booster, Unscented, 20 oz., Each

Part Number: RPO-11755

5.0 out of 5 stars ( 5 )

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Seafoam Spray SS-14

Fuel System Cleaner, Seafoam, 12 oz., Each

Part Number: SEA-SS-14

3.71 out of 5 stars ( 7 )

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Quicksilver Quickare Fuel Treatment 8M0047920

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

Part Number: QSV-8M0047920

Not Yet Reviewed

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Quicksilver Quickare Fuel Treatment 8M0058680

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

Part Number: QSV-8M0058680

Not Yet Reviewed

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Liqui Moly Marine 4T Shooter 25102

Fuel System Additive, Marine 4T Shooter, 200.00 ml, Each

Part Number: LIM-25102

Not Yet Reviewed

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Red Line Motorcycle Fuel System Cleaner 60102-12

Fuel Additive, Fuel System Cleaner, Motorcycle Use, 4 oz., Set of 12

Part Number: RED-60102-12

Not Yet Reviewed

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Liqui Moly Marine Gasoline System Cleaner 20504

Fuel System Additive, Marine Gasoline System Cleaner, 500.00 ml, Each

Part Number: LIM-20504

Not Yet Reviewed

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Liquid Performance Complete Fuel System Cleaner 0767

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

Part Number: LQP-0767

Not Yet Reviewed

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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: Tomorrow

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Estimated Ship Date: Tomorrow

Lucas High-Mileage Fuel Treatment 10977

Fuel System Additive, High-Mileage, Unscented, O2 Sensor Safe, 5.25 oz., Set of 24

Part Number: LUC-10977

Not Yet Reviewed

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