I blew a spark plug out of my Insignia. ordered this kit and rethreaded the spark plug hole useing the rethtrreading tool supplied and inserted the correct size helecoil supplied Replaced all the spark plugs and replaced the coil pack that the spark plug smashed as it came out of the head. Total cost £140.00. The alternative without this kit would have cost me over £1000. That is why I gave it 5 stars. Anybody not familier and thinking about attempting this job, make absolutly sure you have the tap dead straight when you are cutting the new thred and take you time all the way through the fix.
Verified purchase: Yes | Condition: New
The tread cutter has no gradual phase in before the threads are cut,I luckily bought a pre cut before hand otherwise the cutter would be difficult to keep straight and to put enough pressure to start cutting. Even with the pre cutter it was difficult enough. Having said all that the cutter worked and successfully cutting a tread in my chainsaw spark plug hole and with one of the four inserts given, prevented a large bill or a new chainsaw! I also used a 'high temp' thread sealer to make sure the insert didn't move.
Verified purchase: Yes | Condition: New
This tool really does work, but, you need to align it very carefully, it needs lots of pressure on the end of the ratchet to make it cut and keep cutting, then it does a very good job. It would be easy to damage the cylinder head if you get it wrong! The addition of an intermediate taper tap would have made it a great product!
Verified purchase: Yes | Condition: New
Could not find a kit like this anywhere in the U.S. needed it to fix my yamaha breeze 125 atv. The original spark plug hole is very close to the valves the low profile of these sleeves and the various lengths made it the perfect repair. I hooked up compressed air to the muffler and turned the motor over so the exhaust valve was open and the compressed air blew all the shavings from the tap right out. Put some sleave sealer on the insert and threaded it in good as new! Completely recommend for motorcycle and atv repairs.
Verified purchase: Yes | Condition: New
Fantastic result easy to use and great delivery time
Verified purchase: Yes | Condition: New
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