🔧 OEMTOOLS 25648 Fix-A-Thread Spark Plug Saver Inserts Kit: Metric M14-1.25, Rethreading for Steel, Metal Alloys, Plastic, Magnesium, and More - Perfect Automotive, Truck, RV, & Aviation Repair Tool Review

It seems that I became a mechanic in my district. People just leave things to be fixed and hope for the best. Inserts held chainsaws, lawn mowers. and a garden tractor form a garbage dump. It also makes friends think I can fix anything. Inserts are so easy to use and save time on repairs.

Spark plug installed on Sunday, driving to work on Monday less than 4 miles from home when the check engine light started flashing and the engine misfired. Stopped to check what damage was done, the spark plug was unreliable (also very hot), the spark plug clothing was melted from the fire escaping the spark plug until the tip was completely removed from the spark plug. Hats off, almighty God, my car didn't catch fire! Since there were no instructions, I could not use the insert incorrectly…

I'm giving this 5 stars because they do exactly what they're supposed to do and are sold at a lower price than big brands. The variety of lengths seems to cover every application I've come across and fits really well. I would advise anyone looking at them to take a good look at them along with the paste tools available. My personal suggestion is not to buy the OEMTools 25647 kit but to buy the 5334-14 Heli-Coil which works great with these inserts. The difference is that the OEMTools version…