2019 to 2020 jdrl rulebook amendments.
Nhra roll cage specifications.
Roll cages are available in 8 10 12 and 14 point configurations built from 1 5 8 x 134 hrew mild steel to meet nhra ihra safety 10 point roll cages s w race cars is a usa chassis builder offering.
Roll cages required on convertibles running 6 99 or faster than 135mph.
Roll cages required on all cars running 6 99 or faster than 135mph.
The drawing below shows several tube options of the chassis roll cage and driver s compartment meet nhra regulations for the intended et.
Buy a rulebook.
5 or 6 point rollbar construction nhra legal required beginning at 11 49 with a closed car truck 13 49 with a convertible.
Junior dragster racing league rulebook.
Nhra roll cage tubing specs.
Drag racing road racing off road 4 4 high performance auto parts for hot rods muscle cars.
Class by class regulations and requirements racing procedures and.
Trust me there are about a jillion other things we can cover going.
Sfi spec 10 5a nitro fuel funny car chassis 4 99.
Sfi spec 10 3 altered car roll cage 7 50 seconds slower effective date.
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.
Sfi spec 10 4 side steer roadster roll cage 7 50 seconds slower effective date.
Nhra roll cage tubing specs 10 out of 10 based on 531 ratings.
2020 rulebook amendments.
Racers start your projects.
Sfi spec 10 2 altered car roll cage 6 00 to 7 49 seconds effective date.
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.
2019 to 2020 rulebook amendments.
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.