JMP Spark Plug Thread Repair Kit. - 1x 3in1 tap with drive SW 17. - 8 threaded inserts each with collar M12x1.25 / M15 x 1.25 x 12.70mm. - 8 threaded inserts each with collar M12x1.25 / M15 x 1.25 x 19.00mm.
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