Conversions are roar legal. Local series may not allow them, but as long as they meet all roar dimensions and specifications for 4wd sct, that are legal.

This is the car:
http://www.casterracingparts.com/ind...product_id=253

http://kriostasis.com/store/index.ph...305ffb60291e52

Sorry to go off topic... Love reading various vehicle threads and try to answer generic questions if possible.