What is Lead Replacement?

If your car is designed to use leaded petrol, using unleaded can seriously damage the engine and reduce power. This is particularly a problem for older classic and vintage cars.

Redex Lead Replacement can be added to your engine with unleaded petrol to provide your car with the additives it needs. It lubricates soft valve seats and protects them against damage.

  • For vehicles that run on leaded fuel
  • Lubricates and protects soft valve seats
  • Use every tank

Care for your older car’s engine today with Lead Replacement. Use regularly in any car designed to run on leaded petrol to maintain performance.

Redex is dedicated to keeping cars driving, even those not designed to use today’s modern fuels.

Frequently asked questions:

A:

Yes, you can use Redex fuel additives in older cars. We'd also recommend you consider using Redex Lead Replacement fuel additive if your car was designed to run on leaded petrol and you now use unleaded fuel.

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A:

Redex can be used as often as you like to keep you engine running well. We recommend using a shot in each tank, but you can also use it whenever you notice your MPG dropping or between fill ups.

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A:

Redex is sold in stores across the UK including national supermarkets and local specialist retailers. You can find out more on our Where to Buy page.

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A:

No. Redex has been carefully developed and extensively tested over many years to ensure it provides all the performance benefits you would expect without causing any damage. Our bottles provide you with a controlled dose, so you can add the right amount easily.

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