First Auto X in the valiant.

1.00" minimum torsion bar. All the way up to 1.22"
1 1/8 or 1 1/4" front sway bar
adjustable rear sway bar
widest tires possible.... Something like 275/40/17 on 17x9 with perfected backspace
Don't need fancy discs for autox. Runs are too short to get them that hot and will put you in another class.
adjustable proportioning valve
Koni, Hotchkis RCD, AFCO or QA1 shocks to fit your budget.
0 deg toe out, 1.0 to 2.0+ deg neg camber, 4-6 deg pos caster. Can get those minimum with moog 7103 offset UCA bushing and stay in E-Street Prepared class.
Good drivers seat with big bolsters.