Rocker shaft hold downs

Yea, I Had Emailed Them. They Didn't Say Anything About Changing Them, That Might Be Why They Supply The Thin Shims Along With The Spacers, To Keep You From Having To Machine The Spacers. I Just Got A Rocker & Shaft Set From Hughes, I Forgot To Order The Hold Downs. When I Seen Your Comment, I Got A Little Concerned.