The spacer that Tom sells As far as I know is to use the Older valve cover (235/261) On the 194,230,250,292 Heads. How ever I know of two selling the spacer for the later 194,230,250,292 heads and I being One of them. from 1/4-3/4 inch thick.
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
God doesn't like ugly.
