Building A Roll Cage 101

The bars shown in blue are optional.

Building a roll cage 101.

Shown here is a visual difference between your basic 4 point roll cage and an 8 point roll cage from the chris alston s chassisworks catalog. The basic 4 point roll bar consists of a main hoop behind the driver two rear struts and an optional cross brace on the main hoop should you need it or the rules. This is the typical 6 or 5 without the passenger door bar nhra style roll bar. A roll cage is a specially constructed tubular frame built in or around the cab of a vehicle to protect its occupants from injury in the case of an accident or rollover.

Adding diagonal main hoop support braces turns it into and 8 point roll bar. They are typically used to reinforce the vehicle and ensure that the passenger is protected in the event of an accident particularly if the car rolls.