P285/30 ZR Goodyear tires up front and 20-inch (510 mm) rear wheels with P335/30 ZR tires hit the tarmac. Viper GT2 In order to meet FIA homologation requirements, as well as to celebrate Chrysler winning the 1997 FIA GT2 class championship , 100 modified Viper GT2 Championship Edition street-legal cars were sold.