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10 bestHigh Octane Fuel Additiveof April 2025

112M consumers helped this year.

1

Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce

Red Line

9.9

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2

Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.
Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.

Chevron

9.8

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3

B3C Ethanol Shield Fuel Stabilizer |Corrosion Inhibitor & Water Remover |2 and 4 Stroke Engines| 4oz/118ml
B3C Ethanol Shield Fuel Stabilizer |Corrosion Inhibitor & Water Remover |2 and 4 Stroke Engines| 4oz/118ml

B3C Fuel Solutions

9.6

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4

Liqui Moly Jectron 7711 Gasoline Fuel Injection Cleaner additive, Cleans Valves & Injectors Without Removal. Updated to replace Liqui Moly 2007-300ML
Liqui Moly Jectron 7711 Gasoline Fuel Injection Cleaner additive, Cleans Valves & Injectors Without Removal. Updated to replace Liqui Moly 2007-300ML

Liqui Moly

9.3

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7% off

5

Gumout 30001 All-in-One Fuel System Cleaner 296ml
Gumout 30001 All-in-One Fuel System Cleaner 296ml

Gumout

9.1

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Gumout 29991 Fuel Injector Cleaner, 355mL

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Lucas Octane Booster (15 oz.)-6 Pack

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BOOSTane Professional Octane Booster 32oz (4 Pack)

BOOSTane Professional Octane Booster 32oz (4 Pack)

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Lucas Oil 10026-PK12 Octane Booster - 15 oz.

Lucas Oil 10026-PK12 Octane Booster - 15 oz.

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6

Gumout 29994 Regane High Mileage Complete Fuel System Cleaner, 355mL
Gumout 29994 Regane High Mileage Complete Fuel System Cleaner, 355mL

Gumout

8.8

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7

Stanadyne Performance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566
Stanadyne Performance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566

Stanadyne

8.5

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8% off

8

Star brite 093116C Star Tron Enzyme Fuel Treatment-Super Concentrated Diesel Formula-473ml
Star brite 093116C Star Tron Enzyme Fuel Treatment-Super Concentrated Diesel Formula-473ml

STAR BRITE

8.2

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9

Klotz Higher Octane Booster Fuel Treatment Power Booster and Cleaner for Gasoline – 1 Gallon KL-628
Klotz Higher Octane Booster Fuel Treatment Power Booster and Cleaner for Gasoline – 1 Gallon KL-628

Klotz

7.9

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10

Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)
Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)

Gumout

7.6

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