I have a 10 point cage in my car and I'm good for 8.50's. The CobraJet is also setup with a 10 point cage, 8.50 is the fastest you can with that cage. If you go faster then 8.50 but running slower then 7.50 Cars running 7.50 and slower must meet applicable SFI Specification
(25.1E, 25.2, 25.3...