Lubricates and protects valve seat ring on vehicles that originally required leaded fuel. Reduces wear on the cylinder head, maintaining optimal compression. Prevents engine breakdown and increases reliability.

For older gasoline engines for which the manufacturer originally specified leaded gasoline. For preventative use. Tested safe with catalytic converters and turbochargers. For adding directly to the fuel tank. One filling with the 25 ml dispenser is sufficient for 25 l fuel. For permanent use every time you fill up.

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.

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