lower control arms ad bushing on a RT??

ok well i coverted my 2wd wagon over to 4wd and the 2wd rear lower control are bolts are kinda frozen in the rear sub frame. i can get new bushing i know that but my qustion here is do i need different or rt4wd specific rear lower control arms or will the 2wd ones work? also is there any aftermarket lower control arm i can use with the rt4wd?
can i use a crx aftermarket lower control arm for the rear?
can i use a crx aftermarket lower control arm for the rear?
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viewtopic.php?f=16&t=4523
SUSPENSION
lca - yes, 88=88 & 89-91=89-91
shocks/springs/coils - yes, da will also work
strut tower bars - yes
cross brace - yes?
sway bars - yes
trailing arms - no, wagon arms are beefier
rear LCA: all Civic 1989-1995. these can also be swapped into an '88 if you use 89+ struts
front end suspension compents: SH3 and SH4
rear trailing arm: no