Nice job, very clean/simple install!!
I assume many have done as SAS with stock radius arms/brackets. Does not having the support of the stock crossmember, inboard of the radius arm brackets, cause any problems with frame bend/twist?
79 XLT, 400/C6/MOG 404's/43 SX STICKIES, 8.5" lift.
79 XLT, 400/C6/D60-D44 8 lug, 2" lift, 35 BFG AT
74 Bronc build, 408/C6/Black Box/205/406 mogs/43 SX stickies