SPECIAL CONE LOCK PLUG

They are made using the best materials available.
Keeping our race proven filament formula unchanged for many years, our main target is to focus on our high quality.

These are racing plugs

This range is recommended for marine engines and for off road. The feature is in the housing chamber of the platinum filament that makes it much more resistant to high pressures of marine engines and to the solicitations of the off road as well.

They are also able to resist high percentages of nitromethane up to 60% without loss of pressure.