[xman]

I have front buckets and second row seats out of a 99 suburban in a 72 burb.
For the front seats I used giant washers underneath and to level out the front buckets I used 1/2 square tube under the back and bolted it down the 2dn row seats I used washers to bring the back of the seats up so they leveled out. I used grade 8 bolts for mounting of course