Additives

The Holts Radweld s an easy to use repair for radiator leaks which doesn't damage or clog the system. It also prevents future leaks, to help keep your car on the road for longer. It's easy to use - simply pour and fix.

MPEX® Catalytic Converter Cleaner cleans the entire fuel system, injectors, valves and pistons. Addresses and minimalises deposit build-up and malfunctioning of the catalytic converter. Prevents expensive repairs to the catalytic converter. Improves combustion and engine performance. Reduces emissions of hazardous exhaust gases. Improves fuel economy. Restores power and performance. Eliminates rotten egg smell.

MPEX® Diesel Injector Cleaner removes carbon deposits from injectors and prevents needles from seizing. Reduces corrosion and wear. Improves combustion with effective cleaning agents and a strong cetane improver. Decreases operational cost by lowering fuel consumption and maintenance costs.

MPEX® Diesel Stop Smoke reduces smoke and emission of hazardous exhaust gases from diesel engines. Optimises fuel combustion. Cleans the fuel system and protects it from corrosion. MPEX® Diesel Stop Smoke For all diesel engines (incl. common rail) with or without turbochargers running on low or normal sulphur level diesel fuels.

MPEX Engine Flush internally cleans and flushes the engine with highly effective cleaning agents. Eliminates gums, varnish and sludge. Easily removes contaminants like carbon deposits, soot and liquids (water and fuel rests) from the engine. Reduces fuel consumption and exhaust emissions by restoring engine condition and enabling the fresh oil to perform optimally.

MPEX® Friction Fighter significantly reduces friction and wear. Prevents and delays oil-ageing. Reduces fuel and oil consumption. Restores engine power. Provides long term protection of your engine. Improves load carrying capacity of the lube film. Reduces emission of hazardous exhaust gases. Reduces engine noise level and vibrations.

Suitable for all petrol and diesel engines. MPEX® Oil Stop Smoke stops or decreases excessive smoke emission. Reduces oil consumption. Extends engine life. Improves compression. Improves oil stability and maintains viscosity.

MPEX® Petrol Injector Cleaner cleans and keeps injectors, carburetors and the entire petrol supply system in optimal condition. Eliminates valve sticking. Prevents deposits of gums, varnish and sludge. Reduces petrol consumption and protects against corrosion. Reduces emission of hazardous exhaust gases. Eliminates rough idling, hesitation or knocking. Improves combustion and drive ability.

Reduces petrol consumption. Cleans valves, dirty carburetors, and clogged injectors. Prevents fuel system corrosion. Eliminates rough idling and engine hesitation. Improves combustion. Reduces petrol consumption. Reduces emission of hazardous exhaust gases.

MPEX® Radiator Cleaner effectively cleans the entire cooling system and removes sludge, rust, scale and other deposits. Improves the heat transfer from engine to cooling system and prevents overheating. Prevents build up of acids and contaminants. Does not contain acids and is not poisonous. Does not harm rubber hoses, metal parts and gaskets.

MPEX® Radiator Sealer & Conditioner permanently and reliably seals and prevents within seconds hair cracks and leakages up to 0.9 mm in the radiator, the heater radiator, the water pump, the cylinder head gasket and the engine block. Eliminates the need for expensive repair. Lubricates the water pump and does not contain acids and is not poisonous. Does not harm rubber hoses, metal parts and gaskets.

Air Con Cleaner is a powerful anti-bacterial aerosol, that completely cleanses the air conditioning system. Leaving a long lasting aroma. BS EN 1276 Certified, kills 99.99% of Bacteria, Fungus and Yeasts Made in the UK

Quickly reduces exhaust emissions Improves fuel efficiency – saves you money! Extends the life of your engine & vehicle Reduces emissions by up to 60% Simply pour into your fuel system Can be used in either Petrol or Diesel vehicles

Designed with Carbon Fibre, Coolant Seal is carefully engineered to provide the best possible permanent seal for leaks in cooling systems.

Reduces engine noise and black smoke, restores lost power and improves fuel economy of your diesel engine.

Cleans and extends your DPF Life improving Performance and reducing emissions.

The Power Maxed Diesel Turbo Cleaner Kit is an excellent solution for thoroughly cleansing the inside of diesel turbo systems, removing carbon deposits, and improving performance and / or reversing the limping of a heavily carbon-coated turbo

Power Maxed Engine Oil Stop Leak renews and replenishes rubber seal elasticity which is the primary cause of engine oil leaks.

Power Maxed Hydraulic Valve Treatment oil additive lubricates the valves and helps to remove deposits to reduce engine rattle and restore lost power.

Reduces engine noise and black smoke, restores lost power and improves fuel economy.

Reconditions and replenishes rubber seals and components in the steering system for squeak and leak free operation.

Designed for use when flushing the coolant system of any vehicle.

Seals all leaks in coolant system; radiator, heater matrix, core plugs, thermostat housings and prevents future leaks, rust and corrosion.

Prevents fluid loss from automatic gearboxes by counteracting the effects of seal shrinkage. Improves gear changes and reduces fluid consumption to ensure smooth operation and prevent future problems.

Enhances oil viscosity providing a thick barrier that helps to seal gaps in worn engine components, burning less oil, reducing blue smoke emissions and helping the engine to run more efficiently.

Power maxed Tyre Fix is designed to inflate your tyres after a puncture, welding the damaged tyre from the inside and allowing you to continue your journey unhindered.