I had to go dig this up, since I couldn't remember where the differences between the various ET Street versions are: https://www.streetmusclemag.com/news/inside-mts-new-drag-radial-lineup-pro-bracket-et-street-ss-r/


2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)

1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)