5 Pcs Spark Plug Rethreader Set

Repairing Stripped Or Damaged Threads In Aluminum Cylinder Heads.
Solid Steel Inserts Replace Damaged Threads.
Content:
1pc 14mm Spark Plug Rethreader
4pcs Inserts 3/8” , 7/16” , 1/2” , 3/4” Long

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