Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Proform |
| Part Number | P022 66765 |
Videos
Stephanie Grinds a Piston Ring with Ease!
How To Set The Proper Piston Ring Gap
Easily Grind Piston Rings, featuring Stephanie Lynn
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piston ring filer diy
Universal Piston Ring Filer from Summit Racing
How to File Your Engine’s Piston Rings | Summit Racing USA-1 vs. Pro Ring Filers
HOW TO FILE PISTON END GAPS
Video 13 Total Seal Tech video How to use a power ring filer.
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy