Jim Drago has a nice system for the miata , but by the time you add all the weight I need it's $$$$$

http://mazdaracers.com/store/product/57-ballast-system/

Since I'm going to STL , I can move my weight to a better location than the ITA specified location. My current plates no longer fit in the new location , so I need 160# ... I priced out 10"x12"x1/2" plate from

www.metalplatesource.com

With shipping it was almost $ 400.00