Super Stock refers to a very specific set of cars.
If you are not driving one of these, you are not "Super Stock:"
Super Stock (SS)
Chevrolet
Corvette C5 (‘97+)
Corvette C6 (‘05+)
Dodge
Viper R/T, GTS
Lotus
Elise (‘05+)
Esprit Turbo
Mazda
RX-7 Turbo (’93+)
Porsche
911 (996 chassis) (‘98+)
911 (997 chassis)
911 Turbo, 930 (2WD)
911 GT3
Boxster S (‘05+)