These are the water cooled flange high flow units with larger exhaust passages, I believe 3 inch. They flow much better than the restrictive smaller set...
RD,
Those look good. Exactly what I was after. If the water passages are clear, aka no calcified or hard water build up, You got a deal.
P.M. me your # & I'll give you a call tomorrow to work out when I might come down your way to pick them up.
You're in Elsinore? I'm up in Santa Ana……..
G