Highest quality, versatile open-gap spark checker, for 1 to 8 cylinders. This “sparky” can be separated into two 4-wire halves by loosening two wing nuts. Furnished with two ground wires for separate 4-wire use. Sliding mechanism adjusts four gaps which are marked from 1/4 to 1/2 inches 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.
Black background for easy visibility
Molded Valox is highly resistant to chemical, UV and Physical damage
Furnished with two ground wires for separate 4-wire use
Sliding mechanism adjusts four gaps which are marked from 1/4 to 1/2 inches well as in millimeters
