nhra rules about 4pt roll bar

crackedback said

It doesn't meet the new standard as "acceptable" for running 11.49 or faster.

You can still put a 4 point in a car, it's never been illegal. Running a 4 point is the same as being considered you didn't have a rollbar, which limits you to the cut off point of 11.49.

Add a door bar and you're good to 10.00, provided the size of the current 4 point is within spec.

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I understand that but what I dont understand is why even run a 4 point if in all reality it is good for nothing other than it will help a little if you roll it. If you are going to put any kind of roll bar just make it a 6 point and put swing out door bars on it so that way you know it will be legal and you dont have to worry about taking it back in and having the other bars added on to it later. The way I look at it is might as well do it right the first time IMO.