72 Duster Resurrection
I am using them with a 408-410 i plan on building. Same number lists for a big block. The shocks are only essentially vibration dampers, so slsnty to big block it makes sense for it to be the same part numbers.
Heres an FYI for you. Follow along, If you have stock 340 torsion bars and an all steel small block and front end, and you lighten your front end by 200 lbs, weather it be using aluminum on the engine, or fiberglass front clip parts, or both, you essentially stiffen the 340 torsion bars to a stiffness as if you used 383 bars.
So using V8 340 bars and putting your front end on a 200 lb diet, stiffens it right up.