This is the VSS I used. Luckily I dropped the tranny with the vss in it and broke it in half and broke off the mounting tabs as well. This allowed it to fit just perfectly,
You need to cut off the mounting arms and just stick it on in there.
Also, to get the old one out, leave the PB blaster sitting for a night, try using a huge wrench to wiggle it back and forth, and failing that, cut a deep notch in the outer edge of the vss and use a hammer and big screwdriver to hit the notch back and forth to try and wiggle the vss out.