Helicoil R5326-14L Sav-A-Thread M14 Insert

Features. Positive mechanical locking feature means the insert will never come out!. Packaged according to thread size for easy handling and display. And metric packages is 1 – 1/2 times the diameter of the bolt this provides sufficient strength in most applications. Spark plug hole inserts are packaged in lengths corresponding to the various spark plug reaches. Used for – Repair damaged 14 mm. Spark plug threads on aluminum cylinder heads.