Interesting oil filter bracket mounting idea. Perhaps it will hold up better than the stock setup, which sometimes cracks (I’ve had two of the stock ones crack).
https://sanantonio.craigslist.org/pts/d/pearsall-willys-jeep-cj2a-parts/7020701323.html
“Two parts jeeps. Will sell as a package or individual parts. Please inquire if you have questions about a specific part, chances are I have it.”