Those are the "short" 30" version. 92.5" rollout. The tall ones are 94.0" rollout.
spot on - 30x9 = 29.5", 9x30= 30"
Tex
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive