The heads Ran two different Plugs The Peanut 5/8 plug(short reach) and the is a 13/16 (long reach) depending on the Yr you could have either one. The 5/8 plug had the seat built into it. The 13/16 had a compression ring on them.
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
God doesn't like ugly.
