nhra rules..roll cage.firewall.fiberglass

ok i have a 69 dart im building and i want to see the consensis on the nhra rules
Cage requirments - car probly wont go under 10's as long as i own it.
rear firewall
my battery is in the trunk.
preferences? aluminum? steel? weld in or screw on? whats legal?

this is the build
1969 dodge dart
-ENGINE
1968 440 hp
10-1 comp
stock 906 heads w/mopar performance springs
509 lift cam
holley 750
holley elect fuel pump
holley street dominator intake
msd 6a ignition
msd billit distributer
ss blaster coil
high volume oil pan/pump
-TRANS
727
reverse manuel valve body
3000 stall
-REAREND
8-3/4
3.91 w/suregrip

-BODY
Shaved fenderwells
hemi hood scoop
centerline rims/mickey thomsons

-SUSPENSION
super stock springs
koni adjustable shocks in rear
comp 90-10 adjustables up front

i want it to be set up to nhra and yes im buying a book soon
But i suppose super stock is the class i should be building for?
if so what is needed?
other questions..
mini tub legal in superstock? along with relocated springs?
fiberglass fenders legal? how much would that devalue the car in general? opinions..
hemi super stock aluminum solid mount seats ok?