> Piston Ring Grinder
Piston Ring Grinding Wheel
Grinding wheel used to file oversized rings down until the ring gap is at the preferred size for the engine.
How to use a Piston Ring Grinder:
Their our many types from hand crank to powered.
Piston ring grinder as seen in Basic Engine Building:
Only squeeze the expander far enough to get the ring to slip down into it's groove. Always use both hands to control the expander and the ring itself.