Quote Originally Posted by ozbox View Post
ignition barrel in the top pot it is easily to identify from hx...hx is chrome with double finger hook and hz wb is black with single finger hook.
Greg, there is an early and a late style HZ ignition barrel. Early ignition barrel has a Alloy (polished??) finish and the finger tab is a different shape to the later black ones...

Early HZ ignition


Late HZ ignition