[Herb Stoops]

I have Jessum for the 3hp PC and the Rockler for the Basch 1617. Both are good, but not interchangeable.
Herb

 

[Herb Stoops]

What is the diameter of the motor on your Porter Cable mine is 3 1/2"

It is 4.2"
Herb

 

[Herb Stoops]

That won't fit my router thanks anyway!

They have more than 1. this one will fit a 3.25 diam router
https://jessem.com/collections/router-lifts-and-plates/products/mast-r-lift-ii
Incra has a lift made for them by Jessem that will fit any popular full sized router.
https://incra.com/router_system_accessories-mast-r-lift-ii.html

Kreg has one :
https://www.kregtool.com/store/c41/routing-accessories/p457/precision-router-lift/

Rockler also:
https://www.amazon.com/dp/B07PPBB6LG?tag=duckduckgo-ffnt-20&linkCode=osi&th=1&psc=1

These are all top of the line well made lifts.
Herb