Like it says these are Pro 1's that were made for T-Bone Tom & I ran them on my 85x89 that made 225 whp. tuned by Evans.
I was told they were a tad more aggresive then shelf pro 1's by Tom & they held a decent idle as well, ofcourse tuned.
Looking for $200. shipped + 3% paypal.

 

hmm interesting will thease work pretty good in a itr with a mild port and mugen headgasket with a stock itr vavletrain