well, that's a new one to me. i don't ply my trade in torker land, and the only experience i have with them are the early ones.
at any rate, that certainly *looks* like stand offs for AC
i don't know if i'd use a single plane on a motor for a truck in this particular application, but with the EFI it might be a little more civilized. it's really down to what the set up is and how it's driven.