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Another great Piston Ring Grinder testimonial:

After using it I kick myself for waiting so long to buy one. I should have bought it years ago – Incredible accuracy on ring gaps!

Rob Vine
Rob Vine Racing Engines – Ontario, Canada

Check out this amazing testimonial


I am writing to you to let you know how pleased I am with my new high performance series ring filer. Here we build all types of engines and we use various types of ring materials. We use a lot of steel rings for forced induction applications and our old ring grinder just wasn’t cutting it….literally. After grinding two cylinders worth of rings, I would have to stop and let it charge back up, which wastes a lot of my valuable time. With your performance ring grinder it makes the job so fast and easy and it lets me get the job done quickly with very clean, straight, and accurate ring gaps. There are just so many products out there that don’t live up to your expectations so I just had to tell you how great this tool is. It’s really worth spending the little extra money for a quality tool that works.

Thanks for a tool that works,
Rob Mahler
Mahler Engine Service