Spark Plug Thread repair kit and helical sleeve inserts M14 x 1.25 FS GE4
Spark Plug Thread repair kit and helical sleeve inserts M14 x 1.25
Repair cross threaded or stripped spark plug threads, comes with a range of 4 different depth inserts for various head thicknesses. Similar to helicoil. Use the tap to cut a slightly larger threaded hole then wind the insert in using an old spark plug until it bottoms out.
Insert lengths 3/8- 9.5mm 7/16- 11 mm 1/2- 12.6 mm 3/4- 19.0 mm
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