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Review on ⚙️ Spark Gauge Performance Tool W80535 by John Murphy

Revainrating 5 out of 5

Soft metal for testing, measuring and checking

Seems to be a good value tool. The tip of one of my spark plugs sank into the metal and got stuck, so it's a soft material. I don't know the accuracy, I haven't checked with a caliper. The "gap opener" is a nice feature, but I think I prefer checking gaps with feeler gauges.

Pros
  • SAE SIZE: .020 to .100 inch for reading marks for quick and easy distance adjustment
Cons
  • Large and bulky