Thanks for the help! Right now, I think I am going to make my own out of a spare beat up chassis that's 3.5 mm thick and mount it to the rear center diff mount with 4 screws and maybe some extra braces. I guess I should have done more research before getting this buggy, but it was cheap.
Check out my custom converted 8ight:
Sub 7lb, lowest CG of any 1/8 buggy