Posted by Vaughn on Friday, November 23, 2007 at 11:10:20 :
In Reply to: What spark plugs work best for 230 falthead? posted by Jesse on Friday, November 23, 2007 at 10:59:49 :
PIF has some numbers, bottom of group 16. It's just a matter of what brand you prefer. STD - Autolite 295. Gap - 6V=.025, 12V=.035