19-03-13, 05:00 PM
(19-03-13, 02:47 PM)John Silva link Wrote: I think the H in CR8EHIX-9 stands for Honda.
So the plug may only fit Hondas as they may have a different pitch of thread.
You got it half-right. The H has nothing to do with Honda. The H is the code for 12.7mm thread reach. See useful plug link below:
http://www.wakularacing.com/index.php?op...&Itemid=93