Engine Piston Ring Filer Grinder with Proform 66785 66786 Replace Grinding Wheel

Piston Ring Filer Manual Tool. Engine Piston Ring Filer. 1x Manual Piston Ring Filer Tool. Give it a hard twist, rotate 180 degrees counterclockwise to make the handle outward, fix the piston ring on the pin, shake the handle and file the piston ring with grinding wheel to ensure the correct clearance of the piston ring.

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