Sorry I do not know about the Mopar gauges .
Pros and cons of electrical and mechanical gauges to start with are:
Pros-
Mechanical: actual pressure, temp, boost, ect. of what you are monitoring
Electrical: easy to wire in and install just about anywhere just by routing some wire to the gauge.
Cons-
Mechanical: if reading pressure requires running liquid(fuel, oil, ect) to...



