Evotech oil filler caps are designed in the same style as the thunderbolt range. In addition, they have a drill to be sealed if necessary in competition.
Its particular design prevents vandalism as it can only be opened using a socket wrench. All the plugs have a special rubber seal (o-ring viton) that has a superior resistance to temperature, vapors and oil.
Available in black, silver, gold, blue, red, orange and green colors (depending on models).