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Mayhew Tools 37900 Spark Plug Thread Chaser, 14mm - 18mm

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Free shipping on orders over $29.99

$18.00

$ 8 .99 $8.99

In Stock

About this item

  • Dual-ended design fits most spark plug threads 14mm and 18mm
  • Made from low carbon steel with proprietary heat treat for durability without damaging delicate threads
  • Fits a 13/16" wrench or deep socket
  • Rubber O-ring prevents slipping, ensuring socket retention
  • Black nitride finish provides wear resistance


Designed to clean, restore, and rethread damaged spark plug holes. Simply place the tool in the affected/damaged area and engage the threads with a 3/16" or deep socket. Made in the USA and backed by a lifetime warranty.


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