Top 7 Fuel Additive PETROL UK – Fuel Systems

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1. STP

400 ml, STP GST50400EN ST50400EN Complete Petrol Fuel System Cleanner

STP - Reduces Corrosion. For capless fuel tanks, please use manufacturer supplied funnel to pour in STP additive. Removes deposits from Injectors, Valves and Combustion Chambers. Cleans the entire Fuel System in one tank. Saves fuel. Prevents hesitation and power loss.
Height18.11 cm (7.13 Inches)
Length89.79 cm (35.35 Inches)
Width42.49 cm (16.73 Inches)
Part NumberGST50400EN

2. Redex

Redex Petrol Fuel System Cleaner 250ml

Redex - Restores performance. Reduces emissions. Cleans fuel system. Item package dimension: 3. 81 cm l x 7. 37 cm w x 2057 cm H.
ManufacturerHolt Lloyd International Ltd
Height1 cm (0.39 Inches)
Length1 cm (0.39 Inches)
Width1 cm (0.39 Inches)
Part NumberRADD1101A


HYDRA LMA-20 Fuel Fit Petrol Injector Cleaner Additive & Stabiliser for all 2-Stroke and 4-Stroke Engines Cost Only 1p per litre treated fuel 100ml

HYDRA - Gives as new engine performance, improves combustion and boosts octane ratings. Octane booster. Prevents harmful engine pinging, maximising performance, off-idle surge/misfire complaints and poor throttle-response.

Lawn mower additive… use in all 2 stroke and 4 stroke engines, marine engines in-board or outboard, garden machinery including lawnmowers, grass trimmers, hedge trimmers, cars motorcycles, leaf blowers etc. Contains biocides that keeps petrol fresh for up to 3 years. Fuel stabiliser for lawn mowers etc… helps stabilise and prolong the useful life of petrol and reduces starting problems after long periods of none use.

Heavy duty detergents… removes and prevents formation of gums especially on engine parts including carburettors and fuel injectors, enables easier starting after non-use of equipment. Use when a tank of fuel lasts more than a month. Contains corrosion inhibitors… that form a protective layer on metal components, preventing harmful and corrosive effects of ethanol-water mix.
ManufacturerHydra International Ltd
Part NumberLMA20-000

4. Millers Oils

Millers Oils Petrol Power Ecomax Fuel Treatment Additive 500ml

Millers Oils - An octane boost and detergent package adding up to 2 octane numbers to unleaded fuel. Volume: 500 mL. For use in all petrol engines. Type: petrol Treatment. By addition to fuel in the ratio 1 part to 1000 parts 1 ml/L.
BrandMillers Oils
Part Number6205KB

5. Car Pills

Solid Fuel Additive | Petrol Diesel treatment | Advanced cleaner | Engine care, Car Pills

Car Pills - Contribute to increased longevity of the engine. Reduce emissions, improve fuel quality and function of the engine. Increase fuel‘s Octane Rating. Contribute to more efficient fuel burnoff and thus reduce fuel consumption. Automatic maintenance of fuel injectors, reducing engine knocking and carbon sediment and friction.
BrandCar Pills
ManufacturerMAE Development Ltd
Weight0.01 kg (0.02 Pounds)
Part NumberCP001

6. Briggs & Stratton

Briggs & Stratton Fuel Fit Additive/Stabiliser. 992381

Briggs & Stratton - Keeps fuel fresh for up to 3 years. Detergent ingredients to prevent gum and varnish build-up on engine parts. Metal de-activators which stop chemical reactions caused by dissolved metals in fuel. Corrosion inhibitor that forms a protective barrier on metal parts against harmful effects of ethanol-water mix. Fuel fit not only keeps the carburettor clean for easy starting but now also protects against the corrosive effects of ethanol.
BrandBriggs & Stratton
ManufacturerBriggs & Stratton
Part Number992381



SILVERHOOK - Suitable for all petrol engines including turbo & fuel injected. Restores lost power & improves performance. Stops pinging and knocking. Boosts petrol octane levels by 30 points.
ManufacturerWare Motorama Ltd T/A Silverhook
Weight0.31 kg (0.69 Pounds)
Part NumberSGA21