Posted by Kaegi [76.22.23.236] on Friday, November 21, 2014 at 16:08:52 :
In Reply to: Re: Exhaust Valve Inserts posted by gmharris [72.219.148.98] on Friday, November 21, 2014 at 15:48:58 :
they are hard enough that since I started rebuilding these flatheads in the 80s I have never had to replace any of the exhaust seats. some of the engines had very high miles on them. And PWs and WCs and very hard on the valve train yet they survive beautifully