At what speed is a roll cage required?
135 mph
ROLL CAGE/ROLL BAR: Roll cage is mandatory if entry has an altered floor or firewall, or if vehicle exceeds 135 mph. On all other full bodied applications, a six point roll bar is mandatory. A roll cage is mandatory on all convertibles running 10.99 or quicker ¼ or 6.99 or quicker 1/8 mile. See General Regulations.
Are bolt in roll cages NHRA legal?
Yes you will be fine per nhra rulebook. Although i would use a bolt in cage for anything other than “show”.
How fast can you go with a 8 point roll cage?
In fact, as long as your vehicle retains the original floor, firewall, etc., the 8-Point Roll Bar below allows you to run as quick as 10.00 seconds in the 1/4 mile.
What makes a roll cage certified?
To get your rollcage certified, you need to contact one of NHRA’s inspection team members, and set up a time and location so they can inspect the car. In short, there are minimum standards that must be adhered to. A rollbar and a rollcage are both designed to keep the driver safe should an accident occur.
How expensive is a roll cage?
But what is typically needed? Generally speaking, expect to pay $2,500 to $4,000 for a basic custom rally roll cage and seat mounts.
How long is a NHRA chassis cert good for?
All sportsman certification tags are valid for 3-years from the date of inspection; pro certification tags are valid for 1-year from the date of inspection.
How much does it cost to get a roll cage installed?
Are roll cages worth it?
Standard pillars (the factory roof supports) are more than capable of holding the weight of the car without crumpling in case of a rollover. Roll cages are worth it for racers (potential for rollovers and impacts at high speed) and off-roaders (high potential for rollovers, often multiple and from some height).
When do I need a roll cage?
Roll Cages required on all cars running 6.99* or faster than 135mph. *One exception: full-bodied cars running between 6.40 and 6.99, with unaltered firewalls, floor and body (from firewall rearward – wheel tubes permitted) can compete with just a roll bar.
How far should a roll cage be from the driver?
The bar must be installed within four inches of the driver’s shoulders vertically, but not above them. A critical step in building a roll cage is tube notching. You cannot weld a flat-cut tube end to an intersection of another piece of the cage and expect it to be safe.
What is in the NHRA rulebook?
The main NHRA Rulebook is packed with all the information you need to go racing with NHRA, and class-by-class regulations and requirements, racing procedures, and more are all covered in this authoritative handbook.
How do you attach a harness to a roll cage?
The harnesses typically attach via a welded bracket and a bolt to a bracket on the belt’s harness or a wrap around-style belt. The bar must be installed within four inches of the driver’s shoulders vertically, but not above them. A critical step in building a roll cage is tube notching.