It's a factory case, they're pretty tough. I've had zero problems out of it, but I am by no means rock bouncing it. RPM has done a ton of swaps with LS motors on this transfer case.
2009 Jeep Wranger Unlimited
76xxx miles on the body.
The following was performed by RPM extreme 3 years ago with all new parts, receipts for work done included (14k miles on swap):
GM Performance 495hp LS3 crate motor with hot cam
6L80E trans
Ultimate Dana 60 crate axles w/ 4.88 gears and...