The protections of lead in a lead-free formula plus a powerful octane booster with MMT that raises the octane level from 2 to 5 points. This product is designed for older cars that were designed to run on leaded gas. The owners of these cars know they cannot trust just any product in their classic; so they turn to Bardahl.
Add one bottle to each tank of gas
"Lead Substitute with Octane Booster: Prevents valve seat wear caused by low lead fuel and raises octane of fuel 2 to 5 octane points, unlike most products that claim to boost octane. Bardahl Insted O’Lead Gold does not contain methanol or alcohol. For use in vehicles not fitted with catalytic converters.
Directions: To prevent valve burning, add one bottle to each tank of gas. To control knocking or pinging, increase amount added until smooth running is restored.