If you want to use stock type bushings the original sleeves must be removed. The easiest way to get the outer sleeve out is to weld a washer to it and press it out from the back. The inner can be removed from the pin with a chisel.
The 2835064 changes over to a 78-589 which is 68-69 A body V8 and heavy duty 6 cylinder.
These two sites got me there.
http://thecarpartstore.com/suspension/leaf_springs/plymouth.htm
http://www.stengelbros.com/PlymouthCarLeafSprings.htm
Its easier if you remove the wheel but you dont have to. Remove the cotter pin, spindle nut, washer, and bearing. Put the nut and washer back on. Instant bearing and seal remover.