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Petrol Fuel Additives & Octane Boosters

Opie Oils stocks a wide range of engine cleaner, fuel treatments and fuel additives to help keep your fuel system running at peak efficiency, octane boosters for increased performance on road or track plus lead replacement products for older cars.

Please note that we are unable to send fuel treatments to destinations outside the UK.

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29 Products

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)
Millers Oils CVL Turbo (Valve Seat Lubricant & Combustion Enhancer)
Silkolene PRO BOOST Octane Improver (Fuchs)
Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost
Millers Oils Petrol Power ECOMAX Fuel Treatment
Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
VP Racing Madditive Octanium Unleaded
Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
Price Beater
Millers Oils Tank Safe Petrol Additive Fuel System Protection
VP Racing Madditive Octanium

1 Quart (946ml)

Opie Price
Price Beater
STP Petrol Treatment (51200EN)
Exocet Petrol Supreme - Fuel Additive (XO2032A)
Silkolene PRO FST Fuel System Treatment For Petrol Engines
Classic Valvemaster Lead Replacement Additive
RED LINE Alcohol Fuel Lubricant
Wynns Formula Gold Petrol System Treatment (70701A)
Wynns Dry Fuel for Petrol and Diesel Cars
Millers Oils Classic Sport CVLe (Valve Seat Lubricant & Combustion Enhancer)
RED LINE Lead Substitute Additive
Motul Valve Expert - Petrol Lead Replacement Fuel Additive
RED LINE Fuel System Additive - Water & Antifreeze / Coolant Remover - Concentrate
Amsoil Performance Improver Gasoline Additive
Comma Petrol D-Tox Combustion Chamber & Fuel System Cleaner
Add-It Professional Petrol Treatment (SVTAH300PT)
Comma Petrol Magic Fuel Additive & Injector Cleaner
Wynns Clean Burn Emissions Reducer For Petrol (67264)