Engines and Components› Pistons and Piston Rings
Proform
Manual Piston Ring Filer
SKU: P022 66785
Easy — 1–2 hours
Description
Part #: 66785
To assure proper piston ring end-gap, the piston ring filer enables the user to file piston rings quickly and accurately. Position the piston ring firmly against the dowel pins, crank the handle to turn the abrasive wheel. Using a feeler gauge, file the piston ring to meet the manufacturer's specification.
Engine Piston Ring Filer
MIA's Description
Fitment
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Specifications
| Brand | Proform |
| Part Number | P022 66785 |
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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.
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