The drawing below shows several tube options of the chassis roll cage and driver s compartment meet nhra regulations for the intended et.
Nhra roll cage specs.
Trust me there are about a jillion other things we can cover going.
Sfi spec 10 3 altered car roll cage 7 50 seconds slower effective date.
Nhra roll cage tubing specs.
Sfi spec 10 5a nitro fuel funny car chassis 4 99.
Racers start your projects.
Class by class regulations and requirements racing procedures and.
The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena.
Nhra roll cage tubing specs 10 out of 10 based on 531 ratings.
2019 to 2020 jdrl rulebook amendments.
Cars that run between 7 5 and 9 99 must have their frames and cages recertified every three years by the nhra.
This particular mustang is being built to meet sfi standard 25 3b which is for full bodied cars either unibody or tube frame looking to run under 7 50 seconds but no faster than 6 50.
Roll cages are mandatory for any car either running 10 99 or quicker or capable of exceeding 135 mph must be equipped with a roll cage.
2019 to 2020 rulebook amendments.
Junior dragster racing league rulebook.
Sfi spec 10 2 altered car roll cage 6 00 to 7 49 seconds effective date.
2020 rulebook amendments.
Every year the nhra makes amendments to many of its rules the retraction of the roll cage or roll bar rule for 2008 and newer street vehicles running 9 99 to 11 49.
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.
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