Sad how MSD went down the drain.
Back in the 70's and 80's their ignition boxes were the ones to have.
Built like tanks and really worked.
That being sad, only OEM and try the boots first.
Also do NOT, I repeat DO NOT slather on dielectric grease.
It does NOT conduct electricity and will cause you problems.
An ultra thin coating on the inside of the boot is all you need. Do not put it on the metal spring or end of the spark plug.
Here is a good video on this. It's for standard plug/wire sets but the principles are the same.