Matt,
I cant remember what the exact specs were on the stuff/droop (if i still had the jeep I could tell you) but is iirc and buy lookingat some of my pic is was close to 4" up 4" down

Limiting up travel was the UCA hitting the inner fenderwell (although it was also completly compressing the bumpstop)
Limiting down travel was the shock itself, although any more droop and the UCA would be getting into the sheetmetal in the inner fenderwell the the UCA bolts into (also the thing that holds more sand and dirt than anywhere else on the Jeep.

-Brad