2021 Supra GR GT4
#31737 from Dominic Starkweather · Rule change · TB 22-03 (2022-03 Fastrack)
In GT2-ST, classify Toyota Supra GT4 as follows:
GT2-ST Maximum Displacement Minimum Weight Restrictor Notes
Toyota Supra GT4 3000L 3000 Per factory Spec. Must have GT4 rules in
possession at all race
events.