Bolt the Denso on and don't look back. Been working working with Denso alternators for over 30 years and seen ONE regulator failure. As much as we use our cars you will never need to buy another one and with Andy's kit it makes for a clean install.
Before I got the A/R kit I just used the motor plate to mount it.

Mine is off a 91 Toyota pick-up with a 22RE 4 popper.

Gus