You can DIY with GM junk on the cheap... it's just a lot more work to set up

http://grimers.com/vehicles/68wagon/efi/moparefi.php

1967 Dodge Coronet Deluxe station wagon

1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s