While this type of roll bar will provide some added rollover protection it offers less side impact protection than a 6 or 8 point roll bar or roll cage. Stepping up the performance ladder a roll cage is mandatory for any vehicle running 1099 699 or quicker or exceeding 135 mph.

How To Choose The Right Roll Cage For Your Car Speedhunters
Roll cage vs roll bar. The downside is that the a bars end up having to come in away from the a pillar to meet up with the bend in the halo bar. While there are exceptions nhra et rules state that a car can run 1150 seconds or slower in the 14 mile without a roll bar. The roll bar below does not meet any nhra standard. The roll bar below does not meet any nhra standard. No one likes going end over end but in the event it happens while your rock crawling a roll cage can keep you safe. We took the opportunity to compare it against a 65 roll bar and do.
I dont think any specific design is safer under all conditions. Its by far the easiest to construct. The miata was overdue for a roll bar so this week well install a sick built to order rollbar in the money pit miata. In any full bodied vehicle however that maintains an unaltered firewall floor and body running between 1000 and 1099 640 and 699 a roll bar is permitted in place of a roll cage. If youre taking your wrangler to the extremes of wheeling make sure your rig is ready for it. One bar from the main hoop forward across the top if the windshield and back.
While this type of roll bar will provide some added rollover protection it offers less side impact protection than a 6 or 8 point roll bar or roll cage. 4 point roll cages are sometimes called 4 point roll bars because they lack forward and door crossing tubes. As such they blur the line between roll bars and roll cages. In contrast a roll cage has multiple sub sections extending rearward and often forward. You forgot the halo bar cage. Shop wrangler roll barscages.
While there are exceptions nhra et rules state that a car can run 1150 seconds or slower in the 14 mile without a roll bar.