I use Gatorback's on all four of my Jeep's. Really good belt...have never had any issues.
4.0L, 5 speed, Dana 44, 4.56
Currie 3" coils, 1" BL, Bilstein 5100's
33x12.5x15 Goodyear MT/R Kevlars
JKS TB (F), Currie TB (R), Currectlync HD Tie Rod System
AA SYE / TW DS, UCF HC skid, OR-Fab carrier
Novak shifter, Currie AR, Black Magic Brakes