Watts link upper and lower link removal tips?
 

Im changing my rear springs on my 85 GSLSE and the nuts on the links are really frustrating to remove. I used penetrating oil and still no budge.

Any input?

Heat em up,I just pulled the whole rear end out of my sa fora mild resto , I'm from buffalo NY so obviously I'm deal in with a lot of rusty bolts, pub a wire brush and a torch had it all out in under 2 hrs