Using your instructions I decided to try my tour back speakers. I replaced them with the Kicker 43DSC504 D-Series 5.25" 200W 2-Way 4-Ohm Car Audio Coaxial Speakers from Amazon, https://amzn.to/3uJP2CVMy apologies. Unfortunately I didn’t take any pictures. Having said that once you have the right tools it’s pretty straightforward. Nothing complicated. As an update to my earlier post I did swapped the fairing ones with Hertz CX130. Believe me guys those hertz are real garbage. I found very hard to believe that they sounded awful as there are many amazing reviews on the internet. I never had Hertz before and never again. Anyway long story short I have ordered another set of Polk DB522s for the fairing. Polks were incredibly balanced in the way they sound.
Here are some pics for comparison as well as the rivet and screw you mentioned. I also reused the integrated amp with the Kickers.