Help - Monster Tach Dash Installation Goof - I am an idiot

Been looking for brackets. Not sure if this is the right one from Acme. The only other one I could find was this one but kinda pricey.

http://www.superbirdbob.com/acme-products/tack-bracket/


Would this one work? Is it same one?

http://www.classicindustries.com/mopar/parts/mm3049.html