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DennisB WiseAutoTools.com © Summary: How to determine the right oversize thread repair when a previous parts store type insert or Helicoil has failed making the hole bigger. This question answered and more. We help customers find the best kit when a Helicoil or some other similar type thread repair has failed. There's a lot of information online however it's hard to know who's opinion to trust. A recent customer said "Everyone's got an opinion on thread repair kits online". That's true. I w …

DennisB WiseAutoTools.com © Summary: We cover three of the best oversize Ford spark plug thread repair kits available today. See the YouTube video below at the bottom of the article which is basically the same information covered in this auto repair blog. We have customers calling everyday asking for thread repair kits to repair a spark plug hole that was previously fixed, but the repair failed. Although we sell kits for other makes, Ford seems to be the one with the most spark plugs blowing …