Fuel Diamond Stone Stop Stale Petrol In Tank Over Winter Storage Any Fuel Tank

The fuel diamond is an amalgam of heavy metals with a military history which prevents the petrol in your car, motorbike, boat, lawnmower, outboard motor, lorry, van, aeroplane etc. from going and losing it's octane

Modern Petrol tends to start to deteriate after only 2 months

If you store any of the above over winter or long periods of time then your petrol will go stale

This can help prevent some problem areas such as poor starting, loss of octane, waxing in the fuel pump, filter and carburettor. Pinking underload

No need to drain the tank before storing

How to install: Simply drop into the tank via the filler cap or via the slender unit

The stone lasts for up to 5years

It is suitable for up to 60 litres (if tank is greater than this you have to purchase 2)

No need to remove the stone as it can stay in all the time