Proform 66785 Alum. Base
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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.
Can Be Bench or Vise Mounted
Please review Specifications and the detailed fitment table for notes and exceptions.