Opinions: Fast-ratio manual steering, suspension upgrades

Hey guys,
Just wanted to get some opinions on fast-ratio steering gear box rebuilds, and some other suspension upgrades I'm considering.
I'm driving a '64 Plymouth Valiant and looking at going 20:1 on the steering (FirmFeel rebuild). Also adding front and rear sway bars from Hellwig, positive caster upper control arms from FirmFeel, and possibly some Bilstein shocks. Anybody using Bilsteins on their '64 Plymouth? Would love to hear about your experience.
Thanks,
-M.