I have a 67 Caprice that is mine. I put spindles from a 80 Camaro on it. It is rear steer. I swaped sides the parts list is.
Camaro spindles (free)
Calipers $35.00 each
2 dash 3 brake line 16" $30.00
Two couplers for brake line $16.00
S-10 Brake Booster (Small One) $92.00
S-10 Master Cylinder $25.00
4 Upper ball joint Screw in. $56.00
4 Ball joint bungs $28.00
TOTAL $ 310.00
The car stops great. I made a set of upper control arms. I have done alot of cars like this. That 63 Buick that iI have pictures posted of is the same basic set up. It is way cheaper than going to some of these companies.