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Spark Plug Thread repair kit and helical sleeve inserts M14 x 1.25 GE4

Regular price $16.20 Sale

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