Spark Plug thread size?
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From: DFW, Tx,
Spark Plug thread size?
What is tap do i need to Helicoil the spark plug threads?
I've searched but no concrete answer. I see 12mm x 1.25 mentioned a few times. Is that what i need?
I've searched but no concrete answer. I see 12mm x 1.25 mentioned a few times. Is that what i need?
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