the rear steer on your car alone should be pretty good on the twisties, and other than swapping the springs/struts, and putting a sway bar on... there's not much else to be done...
rear strut tower bar, but that's almost mandatory...
anything else is custom....
if you're looking for adjustable control arms or something crazy, the shop i go to here builds that type of stuff... he's got a turbo h23 in his 93 lude... and he's building custom adj. control arms for it...
www.slickmotorsports.com
his name's matt...