Or I believe Ames sells Eaton products as well. Eaton also sells a 'mounting kit' to help make sure you get everything you need.
I have never used a sway bar, so I don't have an opinion on that. Your 4 leafs are correct for the 400 package. I'd match those, but you have other options.
There is a guy out there that restores the steering wheels to original. If you do a search of this site, there should be some threads about it. If not, I'm sure some other members will chime in. I was thinking he was in the upper midwest or even Canada, but I'm not sure. I think he charges around $600 to $700, but results are like new. Nice old ones are pretty hard to find.
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold