Lynn:scattershield, drive shaft hoop, electrical cutoff switch
What tires is he running on? Those items are not required in D/E Mod as long as the car is running on DOT tires, which would include R-compounds. See Section 18, Safety Rules, Note to A.3.
I'm pretty sure that some sort of approved roll bar is needed, though you might be able to get a little relief on its height if the car is street-driven, has a production top, and runs on DOT tires. See Section 3.3.2. An official e-mail to the seb is probably in order here.
Norm
seat time is where you find it (semi-retired) weenie CP '79 Malibu, (no longer ST/SP legal) '95 626