Since no one else have replied, have you looked? There are a bunch of options.
if you wanted to paypal me some cash i would be happy to point them out for you.
They are out there MPS in japan carry body kits from a few manufactures. You might contact them and see if there is any outlets closer to you. http://www.mps-japan.com/HOME/55b5dd3eed7b6e5819ddbafe
First pix KNIGHTSPORT, second pix Valiant kit.