HI   RCPILOTI  use FRANK BOWMAN rings to replace my ringsabout two dozen to date- frank is the man when it comes to replacement ringshis instructions are to use 320 grit emory and oil lightly-as i  have stated -standard proceedure to replace a ring according  to frank -now what is your problem with tthat-no one said anything about honing but youby the way all my replacement rings brought the engines back to new compression-enough said !!