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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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35 Products

Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
On Sale

250ml (treats 250 litres)

Was £14.50
£13.78
Price Beater
 
Millers Oils Petrol Power ECOMAX Fuel Treatment
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster
Silkolene PRO BOOST Octane Improver (Fuchs)
On Sale
Was £22.99
£21.84
Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)
Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment
Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment
Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost
Classic Valvemaster Lead Replacement Additive
VP Racing Madditive Octanium Unleaded
On Sale

1 Quart (946ml)

Was £24.95
£23.70
Price Beater
Millers Oils Tank Safe Petrol Additive Fuel System Protection
Kalimex JLM Petrol E10 Fuel Treatment
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon (no additives)
On Sale
Was £12.95
£12.30
Price Beater
Liqui Moly E10 Additive
Wynns GDI Efficiency Restorer petrol to E85 for up to 10,000 km
Wynns Petrol Emission Reducer
On Sale

500ml

Was £19.99
£19.00
Price Beater
Wynns Petrol Total Action Treatment
Wynns Specialist E10 Protector Multi-Shot Ethanol Protection
Cataclean The Original - Petrol Fuel And Exhaust System Cleaner
Lucas Oil Safe Guard Ethanol Fuel Conditioner With Stabilisers
Silkolene PRO FST Fuel System Treatment For Petrol Engines
On Sale
Was £16.99
£16.14
Price Beater
RED LINE Lead Substitute Additive
On Sale

355ml Bottle

Was £16.99
£16.14
Price Beater
RED LINE Fuel System Additive - Water & Antifreeze / Coolant Remover - Concentrate
Motul Valve Expert - Petrol Lead Replacement Fuel Additive
RED LINE Alcohol Fuel Lubricant
On Sale

355ml Bottle

Was £21.95
£20.86
Price Beater
VP Racing Madditive Octanium
On Sale

1 Quart (946ml)

Was £23.95
£22.75
Price Beater
Amsoil DOMINATOR Octane Boost
On Sale

12oz Bottle

Was £10.99
£10.44
Price Beater
Amsoil Performance Improver Gasoline Additive
STP Petrol Treatment (51200EN)
On Sale

200ml

Was £4.99
£4.74
Price Beater
Wynns Formula Gold Petrol System Treatment (70701A)
Comma Petrol D-Tox Combustion Chamber & Fuel System Cleaner
Comma Petrol Magic Fuel Additive & Injector Cleaner
Wynns Clean Burn Emissions Reducer For Petrol (67264)
Holts Bradex Easy Start
On Sale

300ml Aerosol

Was £7.99
£7.60
Price Beater
Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars