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.Pit Stop USA offers Proform Manual Piston Ring Filer 66785 at low everyday prices. Be sure to check out all of our products from ProForm including ProForm Engine Tools and ProForm Piston Ring Filers.
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