Yes, that is the S-trim, excuse me. The Novi 1200 is like a Si-trim if I remember correctly. I read an article somewhere, awhile ago, about the S-trim having the most efficient rating of any centrifugal supercharger. More so than even a YSi.
Wow that place never ceases to amaze me with what power they make with these coyote motors! I wonder how much power it would gain with a Boss intake on it