jimbo VIP MEMBER Joined Sep 25, 2004 Messages 2,084 Yesterday at 8:29 AM #1 Here are some photos of different era N-7Y and N7YC Champion spark plugs. I only guessed the dates. Kind of useless rivet counter information.
Here are some photos of different era N-7Y and N7YC Champion spark plugs. I only guessed the dates. Kind of useless rivet counter information.
jimbo VIP MEMBER Joined Sep 25, 2004 Messages 2,084 Yesterday at 8:34 AM #2 note, the old stock plugs have "made in USA" the recently purchased ones do not
