M14 x 1.25 Spark Plug HeliCoil Thread Repair Kit - 10pcs Inserts 1.5D. M10 x 1.0 Spark Plug HeliCoil Thread Repair Kit - 15pcs Inserts 1.5D. M12 x 1.25 Spark Plug HeliCoil Thread Repair Kit - 10pcs Inserts 1.5D.
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