Steering Arm Cone Washer Damage

[bfr57]

Bought my 72 with the 4" lift already installed, but with stock steering arm on the 44. Found a raised one on Craigslist cheap and went to install and ran into problem right away. Seems someone along the way didn't know what they were doing and really buggered up 2 of the 3 the cone washers with a punch or something. I tried all of my tricks of penetrating oil, BFH, and air hammer. Only the one washer they didn't damage came out. Didn't put heat on it as I don't really want to replace ball joint boot. Any suggestions? I thought of trying to drill out the washers. Figure if I destroy the old arm, oh well. But I also figure they're hardened and might not drill very well?