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10 bestHigh Octane Fuel Additiveof April 2025

112M consumers helped this year.

18% off

1

Redex Octane Booster, Fuel Additives For Petrol Engines, Maximise Performance & Increase Fuel Economy Petrol Additive For Cars, Boost Engine Performance & Improve Power, 250ml
Redex Octane Booster, Fuel Additives For Petrol Engines, Maximise Performance & Increase Fuel Economy Petrol Additive For Cars, Boost Engine Performance & Improve Power, 250ml

Redex

9.9

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2

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)
Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)

Archoil

9.8

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3

Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Suitable For Hybrids
Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Suitable For Hybrids

Redex

9.6

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4

Liqui Moly 1803 Injection Cleaner 300ml
Liqui Moly 1803 Injection Cleaner 300ml

Liqui Moly

9.3

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5

Nitrox Car Octane Booster and Petrol Boost Powerful Fuel System Injector Cleaner 300ml Additive Treatment Cleaning Engine Emissions Combustion Chambers Remove Debris High Performance Increase MPG BHP
Nitrox Car Octane Booster and Petrol Boost Powerful Fuel System Injector Cleaner 300ml Additive Treatment Cleaning Engine Emissions Combustion Chambers Remove Debris High Performance Increase MPG BHP

Nitrox

9.1

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Related productsUp to 30% off

Hydra PIC-24 Petrol Injector Cleaner and Carb Cleaner Additive, 500ml Treats 500 litres, With Petrol Cleaner you get more Petrol Power with Octane Booster Removes Deposits Improves Combustion

Hydra PIC-24 Petrol Injector Cleaner and Carb Cleaner Additive, 500ml Treats 500 litres, With Petrol Cleaner you get more Petrol Power with Octane Booster Removes Deposits Improves Combustion

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Wynn's Lead Stubstitute Replacement Petrol Additive Fuel Stabiliser 250ml Treats 250L Unleaded

Wynn's Lead Stubstitute Replacement Petrol Additive Fuel Stabiliser 250ml Treats 250L Unleaded

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MANNOL Octane Plus Booster 450ml

MANNOL Octane Plus Booster 450ml

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Fuchs-Silkolene Octane Booster Pro-Boost 1 litre (Petrol Additives)/Octane Booster Pro-Boost 1 litre (Petrol Additives)

Fuchs-Silkolene Octane Booster Pro-Boost 1 litre (Petrol Additives)/Octane Booster Pro-Boost 1 litre (Petrol Additives)

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6% off

6

Briggs & Stratton Fuel Fit Additive/Stabiliser. 992381
Briggs & Stratton Fuel Fit Additive/Stabiliser. 992381

UPMSX

8.8

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7

2X Briggs & Stratton Fuel Fit Additive/Stabiliser. 992381
2X Briggs & Stratton Fuel Fit Additive/Stabiliser. 992381

Briggs & Stratton

8.5

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8

Wynn's Formula Gold Petrol System Treatment Performance & Fuel Economy Restoring Additive 500ml
Wynn's Formula Gold Petrol System Treatment Performance & Fuel Economy Restoring Additive 500ml

Wynn's

8.2

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14% off

9

Lucas Oil 40576 Safeguard Ethanol Fuel Conditioner-473ml
Lucas Oil 40576 Safeguard Ethanol Fuel Conditioner-473ml

Lucas Oil

7.9

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10

Archoil AR6900-P Max Advanced Petrol Fuel Additive Concentrate, Treats 500L of Fuel, Petrol Injector Cleaner, GPF Turbo EGR Valve Cleaner, Super Unleaded Convertor, Octane Booster (500ml)
Archoil AR6900-P Max Advanced Petrol Fuel Additive Concentrate, Treats 500L of Fuel, Petrol Injector Cleaner, GPF Turbo EGR Valve Cleaner, Super Unleaded Convertor, Octane Booster (500ml)

Archoil

7.6

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