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Review on Enhance Engine Performance with Stanley Proto J000K Spark Plug Gap Gauge Set: A Comprehensive Review and Buying Guide by Michael Skerving

Revainrating 3 out of 5

Excellent for opening tight gases on iridium connectors

Purchased opening part only. I pin the plugs pretty tight at .024" and it's quite difficult to get in with most openers without damaging the iridium tip if you go too far. It does what it's supposed to do and that's why I'm giving it 5 stars.

Pros
  • High marks for grip and durability from testers
Cons
  • Available in black only