Valvex lead substitute is a self-mixing combination of agents formulated according to state-of-the-art additives and fuel technology. Protects soft valve seats against premature wear when using unleaded petrol.


  • Forms a protective and lubricating coating on the valves and valve seats, just like the one built-up by lead in leaded petrol
  • No harmful effects on catalytic converters or the environment
  • Doesn’t influence the octane number
  • Avoids mechanical damage caused by micro welding on the valve seats
  • Prevents fuel system corrosion, helps protect components
  • Improved engine reliability
  • Economical and easy to use (1:1000)


Suitable for all two and four-stroke Petrol engines turbocharged and non-turbocharged.

Recommended for all classic engines previously requiring leaded fuel now running on unleaded fuel.

Available in

250 ML – REF. 3260250

Technical Data Sheet
Material Safety Data Sheet
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