Spark Plug Thread Repair Kit, 14mm Cylinder Head Rethreaded Kit Repair Tools and

INSERTS AND TAP: Including 10pcs M14 x 1.25 thread inserts and a M16 x 1.25 thread tap, is professional spark plug thread repair tool kit. STANDARD THREAD: These inserts and tap have standard thread, the general size is suitable for repairing 14mmx1.25mm spark plug.

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