This will affect some of you fast guys

[JeremyDuncan]

Originally Posted by Hacksaw

Just so guys understand that if you run in SS and only go 148 MPH's and think you won't need a head & restraint , think again. If the class/record holder goes faster than 150 than you will be required to comply. No differentt than running 10.20's in SS/JA but because the record is sub 10.00 you need a SFI chassis cert.

Not how the 150mph+ parachute rule or 8.50 or quicker funny car style cage rule are applied. These are only applied if meeting or exceeding the performance requirements. Not by class record. Would think head and neck restraints would be same way.