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Jon Torres
Reviewed in the United States on January 2, 2025
I bought this to lap the valves in on an old set of heads I had, and it worked ok. I had an old school Craftsman tool like this with a hand crank that worked phenomenally, but unfortunately, the innards finally gave out after 35 years. I bought this to replace that, but the suction cups on this one do not stay in place like my old school Craftsman one did
Julio Aguilera
Reviewed in the United States on May 16, 2024
The only reason I didn't give 5 stars was because the small suction cup came already damage but the tool work very good.
tmorgan0630
Reviewed in the United States on July 12, 2022
I was skeptical at first, but once I used it, I will never lap valves by hand again! This tool actually works perfectly! It took me 3 minutes to lap a valve perfectly. I’ve been looking for this tool for years. Get it, you will not regret buying it. Plus it held up perfectly.
John Shepherd
Reviewed in the United States on December 11, 2021
it acts like it works if there is NO load applied, but as soon as you apply it to a valve it stops turning in either direction. Also the suction cups don't stick very good. If the "no torque" problem could be resolved, it probably would work ok.
nice
Reviewed in the United States on August 9, 2020
It was easy to work. Did a good job. Only reason it didn't get 5 stars was because it would lose suction every once in a while. Easy to use though.
Dave
Reviewed in the United States on May 19, 2020
This little grinder works real easy. Chuck it in your drill, at a moderate speed, and barely hold the grey center section,this will slow the full circular rotation down, it will still go back, and forth. I put a referance line on the tubular part of the suction cup to watch circulation. Yes I would buy it again and recommend it.Dave
David K.
Reviewed in the United States on November 3, 2020
I used the WINTOOLS Valve Lapping Pro Tool to lap all the valves on my Subaru engine. This tool makes valve lapping quick and easy. The suction cups worked adequately to hold the valve faces with enough grip to lap the smaller exhaust valves and the larger intake valves. It made quick work of each valve.Don't just spin your valves with a drill to lap them! Use a consistent oscillating motion to ensure a durable valve seat. This tool will save you time and effort to lap your valves correctly.
Dan of all trades
Reviewed in the United States on January 29, 2019
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