Studio27 has two Viper GTS-R kits, 2000 Daytona Winner and Le Mans, derived from an old Modeler's kit.
http://www.hlj.com/cgi-local/hljlist.cgi
Hiroaki Fukuda
Sports and Race Car Modeling Page (has been moved to...)
http://www.asahi-net.or.jp/~xr2h-fkd...els/index.html