I´ve been on this mod today and as a nascar fan this the best in Rfactor in my opinion .Think i´m hooked just love it , the driving is great , looks good , track is good , and it comes with the -88 cars , Iroc , Nationwide , Sprintcup and trucks.
http://www.vhracing.net/VHR-Stockcar/Main/The News.htm
http://www.vhracing.net/VHR-Stockcar/Main/The News.htm