Highest quality, versatile open-gap spark checker, for 1 to 4 cylinders. Sliding mechanism adjusts four gaps which are marked from 1/4″ to 1/2″ as well as in millimeters. Black background for easy visibility is recessed to prevent carbon tracking. Molded Valox is highly resistant to chemical, UV and Physical damage.
Highest quality, versatile open-gap spark checker
For 1 to 4 cylinders
Sliding mechanism adjusts four gaps which are marked from 1/4 inch to 1/2 inch as well as in millimeters
Molded Valox is highly resistant to chemical, UV and Physical damage