Found a few 90T parts,one is a #2 HPAR rib I believe done by Braker.Do you know how many of these were made.
I have a 90T HPAR and the high shooting rib on it has the step rib and Jeff Mainland told me that Kolar only made 25 ribs like that.
I heard Braker got the drawings for those and made approx. 10 #2's and 10 #3's. 3's being higher yet.