Funny you say that about the bushing. The kit didn't come with the boot for the pushrod through the fire wall so we had to go back and ask for one. They sent us one at no charge, but it didn't come with an adapter plate to mate the rectangular boot for the pushrod to the round opening through the firewall so we had to fabricate one.
I dont have a bushing so Im just going to find some fuel line or if worse case some RTV in the hole. I know there is a site that sells the bushing, but Im not buying just that from them.