For restoring damaged spark plug threads in engines requiring a 12 x 1.25 mm pitch, this repair kit includes a ¾" (19 mm) reach and 6 wire inserts. The included piloted tap eliminates the need for drilling during the restoration process, while the installation tool seats the inserts to original manufacturer specifications.

For restoring damaged spark plug threads in engines requiring a 12 x 1.25 mm pitch, this repair kit includes a ¾" (19 mm) reach and 6 wire inserts. The included piloted tap eliminates the need for drilling during the restoration process, while the installation tool seats the inserts to original manufacturer specifications.