• Used to clean up dirty or damaged spark plug threads on Twin Cam, V-Rod and some Sportster models
• Consists of a special 12 mm spark plug thread with a lead in (for proper alignment) and flutes (for dirt and chip relief)
• Also features a 5/8" hexagon with O-ring and female 3/8" square drive
• Requires the use of a 5/8" spark plug socket, or the female square requires the use of a male 3/8" square drive.

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov