Proform 66785 Manual Piston Ring Filer Tool to Assure Proper Piston Ring End Gap

Proform 66785 Manual Piston Ring Filer

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.