Yes, they should if your SG hasn't been modified. (tuner holes drilled out for another type)
Is your SG a Junior? This style was used for Juniors; although a 65 would probably have had dual line Klusons.
Hi Don. Sounds like you have quite a few potentially great sounding pickups to try out in that guitar. I know you're a professional with a soldering iron, so I'd suggest (like others have said) that you swap in those replacements on hand and give em a try.
Fwiw, I'd probably start with the...
My favorite all-around hot sauce (for quite a few years) is Marie Sharp's "No wimps allowed". It adds a nice flavour and a bit of heat.
For when I want extra fire, I use Dave's "Insanity"! You have to be very careful with this stuff - Just one drop is enough to give some nice heat and flavour.