Wrong SSB-A153-1 kit ordered, please help with next steps

#1 is a fine option. I've seen kit, pretty sure Classic Industries has kit, but you can probably find a kit much cheaper.
#3 wilwood makes a kit that I think world work. (I'm planning to use the wilwood kit on my 65. I've even talked to wilwood to make sure it'll fit.) Then, a few months ago, someone on this forum did that kit and took lots of pictures.