Nhra Roll Cage Diagram

Class by class regulations and requirements racing procedures and.

Nhra roll cage diagram.

This car will certify for 7 50 et and live a long life. Racers start your projects. Nhra mello yello the nhra the largest auto racing organization in the world. This chassis and roll cage example is mild steel.

Last week mike ryan added some support to the soft underbelly of our 1978 chevy malibu we love to call grandma with our frame rails required for the 25 5 cage. It s time to move on the roll cage structure so we laid out our chassis engineering 10 point roll cage and started to get busy. Per the nhra rule book on unibody cars with stock floor and firewall wheel tubs permitted the roll cage may be bolted or welded to the floor rocker box if you are going for the bolted option the 125 inch steel plates must be on top and bottom of the floor and bolted together with at least four 3 8 inch bolts and nuts. Sfi spec 10 5a nitro fuel funny car chassis 4 99.

5 or 6 point rollbar construction nhra legal required beginning at 11 49 with a closed car truck 13 49 with a convertible. Sfi spec 10 4 side steer roadster roll cage 7 50 seconds slower effective date. With that in mind we thought we d share some tips on building a better roll cage. Roll cage with altered floor pans or 135 mph window net required ignition cut off on all bikes snowmobiles that exceed 135 mph 9 99 seconds 6 39 1 8th or super gas or 135 mph nhra chassis certification nhra competition license sfi jacket pants 3 2a 5 sfi neck collar gloves 3 3 1.

The photo below shows the drivers floor bar placement as per sfi foundation specs for 8 49 7 50 et. Sfi spec 10 3 altered car roll cage 7 50 seconds slower effective date. The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena.