Another benefit of membership.
http://www.nasaproracing.com/ Any Konig 15" wheel for $55, and any 17" for $75. 17" Konig Next, for example, is $138 at DTD. Must be a NASA member and you have to run 4 Konig stickers at whatever event you run.
NASA membership is $40, and comes with a subscription to Grassroots Motorsports ($19.95/year). You do the math.