Drag Automobile- Horsepower & Torque Ranges

Class
Lowest Range
Middle Range
Highest Range
O*
1729
1857
2000
S+
1512
1614
1729
S
1343
1422
1512
S-
1216
1275
1343
A+
1125
1166
1216
A
1064
1091
1125
A-
1027
1043
1064
B+
1008
1016
1027
B
1001
1003
1008
B-
1000
1000
1001
C+
999
1000
1000
C
992
997
999
C-
973
984
992
D+
936
957
973
D
875
909
936
D-
784
834
875
F+
657
725
784
F
488
578
657
F-
271
386
488
Z
0
143
271