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 specifications. Sold individually.
Product Details:

• Engine Piston Ring Filer
• Manual Operated Model
• Comes with One 120 Grit Grinding Wheel
• Made From Quality Aluminum and Has a Natural Finish
• Uses Proform P/N 66786 Replacement Grinding Wheels
• Can Be Bench or Vise Mounted
• Sold As Each