I don't have the full roll cage setup by Rock Hard. I took the full welded roll cage out of my CJ7 when I went to a fiberglass body, since I wasn't racing it anymore. But I needed a bolt-in harness bar, and I had heard good things about Rock Hard, so I called them. They made me a new, custom fitted (They asked me for exact measurements) harness bar to bolt to my roll bar. The workmanship was excellent. Each "Joint" is held by six hardened socket screws. I'd say a gull roll cage setup made by them would be good. Be prepared to get killed with shipping charges, though -- that stuff is large and heavy.

One way to be sure would be to call a racing sanctioning body, and see if they approve Rock Hard roll caages.

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.