Nhra Roll Cage Diagram

This topic will cover a 5 point roll bar as opposed to a roll cage most fellows these days will go ahead and build a cage while they have the welder and their tools fired up but we ll cover the bar for those of you who don t plan on going 9 s or quicker.

Nhra roll cage diagram.

The photo below shows the drivers floor bar placement as per sfi foundation specs for 8 49 7 50 et. 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. 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.

Sfi spec 10 3 altered car roll cage 7 50 seconds slower effective date. This car will certify for 7 50 et and live a long life. Class by class regulations and requirements racing procedures and. 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.

Nhra mello yello the nhra the largest auto racing organization in the world. 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. This chassis and roll cage example is mild steel. Sfi spec 10 2 altered car roll cage 6 00 to 7 49 seconds effective date.

With that in mind we thought we d share some tips on building a better roll cage. These should help whether you are building your own cage or shopping for a fabricator to help you out. The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena.