Spark Plug repair Inserts, 14mm-1/2" Reach, set of 4

A repair option for a stripped spark plug thread, we recommend a skilled mechanic fits these, and they are considered a repair not a final solution.

Will not fit Type 4 Cylinder heads.

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Spark Plug thread repair insert

Qty

These spark plugs are best used when the engine is worn and burning oil, or running very rich in the..

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