Sav-A-Thread is the easiest way to permanently repair stripped spark plug holke threads. Virtually all engines built today have aluminum cylinder heads. Combining this with the growin number of do-it-yourselfers and the need for quick, easy, on-the-spot repairs makes Save-A-Thread a must for every store and shop.

Product Features:

• Three insert lengths are available to accommodate all spark plug reaches
• Positive mechanical locking feature means the insert will never come out
• The piloted reamer tap means no drilling is necessary and perfect alignment of the tapped hole
• NOTE: Heli-Coil recommends removing the head before installation to insure chips do not enter cylinder