Sav-A-Thread is the easiest way to permanently repair stripped spark plug hole threads. Virtually all engines built today have aluminum cylinder heads. Combining this with the growing number of do-it-yourselfers and the need for quick, easy, on-the-spot repairs makes Sav-A-Thread a must for every store and shop.
- Positive mechanical locking feature means the insert will never come out!
- The poloted reamer tap means no drilling is necessary and perfect alignment of the tapped hole.
Kit Contents and Replacement Parts:- Tap Part No.: 5329-14-1
- Tool Part No.: 5332-14-1
- Reach: Extended Reach
Note: Heli-Coil recommends removing the head before installation to insure chips do not enter cylinder.
Heli Coil 5409-14 Sav-A-Thread - M14x1.25 Extended Reach 
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