Quote Originally Posted by se7en
yes, i am positive. B and D series are symmetrical in their bolt pattern; the H series has one of them offset a tad.

they don't "bolt right on" to anything B series.
-jonathan
I wouldn't be so sure of that. I have had a 68 mm professional products throttle body for a while. I had it on my built d, built ls vtec, and now have it on my h2b. They all have the same bolt pattern.