NHRA Class Indexes
The NHRA Index System is used to handicap cars running in the various NHRA classes. The index for each class is based on past and potential performance. Comparing the index for the two classes involved in a handicap race will provide the handicap difference for the start of the race. Super Stock and Stock class cars can break out and therefore are given the opportunity to dial under their index.
Competition, Super Stock, Stock, Super Comp/Gas/Street
| Comp Eliminator Indexes |
| Last Update: 12/12/2008 |
| Class |
1/4 Mile |
1/8 Mile |
| AA/A |
07.45 |
04.75 |
| AA/AM |
07.07 |
04.51 |
| AA/AT |
07.04 |
04.49 |
| AA/AF |
08.00 |
05.09 |
| CC/A |
07.55 |
04.81 |
| BB/A |
07.96 |
05.06 |
| BB/AM |
07.51 |
04.78 |
| BB/AT |
07.27 |
04.63 |
| BB/AF |
08.60 |
05.46 |
| CC/AT |
07.82 |
04.98 |
| DD/AT |
07.90 |
05.02 |
| A/PM |
07.07 |
04.51 |
| AA/PM |
06.85 |
04.37 |
| H/D |
07.10 |
04.53 |
| I/D |
07.30 |
04.65 |
| A/D |
07.04 |
04.49 |
| B/D |
07.26 |
04.63 |
| C/D |
07.50 |
04.78 |
| D/D |
07.82 |
04.98 |
| E/D |
08.12 |
05.16 |
| F/D |
08.65 |
05.49 |
| G/D |
09.64 |
06.10 |
| A/DA |
07.14 |
04.55 |
| B/DA |
07.39 |
04.71 |
| C/DA |
07.57 |
04.82 |
| D/DA |
07.92 |
05.04 |
| A/ED |
07.22 |
04.60 |
| B/ED |
07.48 |
04.76 |
| C/ED |
07.87 |
05.01 |
| D/ED |
07.99 |
05.08 |
| E/ED |
08.87 |
05.63 |
| F/ED |
08.83 |
05.60 |
| G/ED |
08.63 |
05.48 |
| A/ND |
07.46 |
04.75 |
| B/ND |
07.57 |
04.82 |
| PST |
08.01 |
05.09 |
| B/T |
08.70 |
05.52 |
| C/T |
08.94 |
05.67 |
| PST/A |
08.22 |
05.22 |
| B/TA |
08.88 |
05.63 |
| C/TA |
09.13 |
05.78 |
| A/AP |
07.26 |
04.63 |
| B/AP |
07.88 |
05.01 |
| A/A |
07.11 |
04.54 |
| B/A |
07.60 |
04.84 |
| C/A |
07.98 |
05.08 |
| D/A |
08.26 |
05.25 |
| E/A |
08.36 |
05.31 |
| F/A |
08.68 |
05.51 |
| G/A |
08.91 |
05.65 |
| H/A |
09.24 |
05.85 |
| I/A |
08.77 |
05.56 |
| J/A |
08.40 |
05.33 |
| K/A |
08.55 |
05.43 |
| L/A |
09.49 |
06.01 |
| A/AA |
07.17 |
04.57 |
| B/AA |
07.64 |
04.86 |
| C/AA |
08.02 |
05.10 |
| D/AA |
08.28 |
05.26 |
| E/AA |
08.25 |
05.24 |
| F/AA |
08.60 |
05.46 |
| G/AA |
08.91 |
05.65 |
| H/AA |
09.23 |
05.85 |
| I/AA |
08.79 |
05.58 |
| J/AA |
08.40 |
05.33 |
| K/AA |
08.38 |
05.33 |
| L/AA |
09.55 |
06.05 |
| A/EA |
07.87 |
05.01 |
| B/EA |
08.34 |
05.30 |
| C/EA |
08.66 |
05.49 |
| D/EA |
08.78 |
05.57 |
| E/EA |
08.95 |
05.67 |
| F/EA |
08.59 |
05.45 |
| G/EA |
08.88 |
05.63 |
| H/EA |
09.50 |
06.01 |
| A/SR |
08.40 |
05.33 |
| B/SR |
08.34 |
05.30 |
| C/SR |
09.12 |
05.78 |
| A/SM |
08.41 |
05.34 |
| B/SM |
08.68 |
05.51 |
| C/SM |
08.80 |
05.58 |
| D/SM |
08.98 |
05.69 |
| E/SM |
09.09 |
05.76 |
| F/SM |
09.28 |
05.88 |
| G/SM |
09.33 |
05.91 |
| H/SM |
09.56 |
06.05 |
| I/SM |
09.67 |
06.12 |
| A/SMA |
08.56 |
05.44 |
| B/SMA |
08.70 |
05.52 |
| C/SMA |
08.83 |
05.60 |
| D/SMA |
08.97 |
05.69 |
| E/SMA |
09.03 |
05.73 |
| F/SMA |
09.22 |
05.84 |
| G/SMA |
09.36 |
05.93 |
| H/SMA |
09.56 |
06.05 |
| I/SMA |
09.67 |
06.12 |
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| Super Stock Indexes |
| Last Update: 12/12/2008 |
| Class |
1/4 Mile |
1/8 Mile |
| SS/AH |
09.75 |
06.35 |
| SS/A |
09.95 |
06.47 |
| SS/B |
10.20 |
06.62 |
| SS/C |
10.35 |
06.71 |
| SS/D |
10.50 |
06.80 |
| SS/E |
10.55 |
06.83 |
| SS/F |
10.65 |
06.88 |
| SS/G |
10.75 |
06.95 |
| SS/H |
10.80 |
06.98 |
| SS/I |
10.85 |
07.01 |
| SS/J |
11.10 |
07.16 |
| SS/K |
11.30 |
07.27 |
| SS/L |
11.55 |
07.42 |
| SS/M |
11.90 |
07.62 |
| SS/N |
12.25 |
07.82 |
| SS/O |
12.50 |
07.97 |
| SS/P |
12.80 |
08.14 |
| SS/AA |
10.00 |
06.50 |
| SS/BA |
10.20 |
06.62 |
| SS/CA |
10.35 |
06.71 |
| SS/DA |
10.50 |
06.80 |
| SS/EA |
10.65 |
06.88 |
| SS/FA |
10.75 |
06.95 |
| SS/GA |
10.85 |
07.01 |
| SS/HA |
10.90 |
07.03 |
| SS/IA |
11.00 |
07.10 |
| SS/JA |
11.30 |
07.27 |
| SS/KA |
11.55 |
07.42 |
| SS/LA |
11.75 |
07.53 |
| SS/MA |
12.15 |
07.76 |
| SS/NA |
12.45 |
07.94 |
| SS/OA |
12.60 |
08.03 |
| SS/PA |
12.95 |
08.22 |
| SS/AX |
09.80 |
06.38 |
| SS/BX |
10.85 |
07.01 |
| SS/CX |
11.10 |
07.16 |
| SS/DX |
09.35 |
06.11 |
| SS/EX |
10.20 |
06.62 |
| SS/AS |
09.90 |
06.44 |
| SS/BS |
09.95 |
06.47 |
| SS/CS |
10.65 |
06.88 |
| SS/DS |
11.20 |
07.21 |
| SS/ES |
12.55 |
08.00 |
| SS/FS |
12.75 |
08.11 |
| SS/GS |
14.30 |
08.99 |
| SS/AM |
09.30 |
06.08 |
| SS/BM |
09.65 |
06.28 |
| SS/CM |
09.80 |
06.38 |
| SS/DM |
10.05 |
06.53 |
| SS/EM |
10.35 |
06.71 |
| SS/FM |
10.80 |
06.98 |
| SS/GM |
10.70 |
06.91 |
| GT/A |
10.30 |
06.68 |
| GT/B |
10.40 |
06.73 |
| GT/C |
10.50 |
06.80 |
| GT/D |
10.65 |
06.88 |
| GT/E |
10.80 |
06.98 |
| GT/F |
10.90 |
07.03 |
| GT/G |
11.05 |
07.13 |
| GT/H |
11.15 |
07.18 |
| GT/I |
11.25 |
07.24 |
| GT/J |
11.35 |
07.31 |
| GT/K |
11.40 |
07.32 |
| GT/L |
11.60 |
07.45 |
| GT/M |
11.80 |
07.57 |
| GT/AA |
10.40 |
06.73 |
| GT/BA |
10.55 |
06.83 |
| GT/CA |
10.70 |
06.91 |
| GT/DA |
10.80 |
06.98 |
| GT/EA |
10.95 |
07.06 |
| GT/FA |
11.10 |
07.16 |
| GT/GA |
11.20 |
07.21 |
| GT/HA |
11.35 |
07.31 |
| GT/IA |
11.50 |
07.39 |
| GT/JA |
11.60 |
07.45 |
| GT/KA |
11.75 |
07.53 |
| GT/LA |
11.85 |
07.60 |
| GT/MA |
12.05 |
07.71 |
| SS/TA |
10.20 |
06.62 |
| SS/TB |
10.25 |
06.65 |
| SS/TC |
10.80 |
06.98 |
| SS/TD |
11.30 |
07.27 |
| GT/TA |
10.85 |
07.01 |
| GT/TB |
11.15 |
07.18 |
| GT/TC |
11.40 |
07.32 |
| GT/TD |
11.60 |
07.45 |
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| Stock Indexes |
| Last Update: 12/12/2008 |
| Class |
1/4 Mile |
1/8 Mile |
| AA/S |
10.90 |
07.03 |
| A/S |
11.25 |
07.24 |
| B/S |
11.50 |
07.39 |
| C/S |
11.65 |
07.47 |
| D/S |
11.80 |
07.57 |
| E/S |
11.95 |
07.65 |
| F/S |
12.10 |
07.74 |
| G/S |
12.20 |
07.79 |
| H/S |
12.30 |
07.86 |
| I/S |
12.50 |
07.97 |
| J/S |
12.65 |
08.05 |
| K/S |
12.85 |
08.18 |
| L/S |
13.00 |
08.26 |
| M/S |
13.15 |
08.33 |
| N/S |
13.25 |
08.40 |
| O/S |
13.40 |
08.48 |
| P/S |
13.65 |
08.62 |
| Q/S |
13.95 |
08.79 |
| R/S |
14.25 |
08.96 |
| T/S |
14.70 |
09.21 |
| U/S |
14.95 |
09.34 |
| V/S |
15.55 |
09.68 |
| W/S |
16.70 |
10.35 |
| AA/SA |
10.90 |
07.03 |
| A/SA |
11.30 |
07.27 |
| B/SA |
11.55 |
07.42 |
| C/SA |
11.70 |
07.50 |
| D/SA |
11.85 |
07.60 |
| E/SA |
12.00 |
07.68 |
| F/SA |
12.15 |
07.76 |
| G/SA |
12.30 |
07.86 |
| H/SA |
12.45 |
07.94 |
| I/SA |
12.60 |
08.03 |
| J/SA |
12.75 |
08.11 |
| K/SA |
12.95 |
08.22 |
| L/SA |
13.00 |
08.26 |
| M/SA |
13.15 |
08.33 |
| N/SA |
13.30 |
08.43 |
| O/SA |
13.45 |
08.51 |
| P/SA |
13.75 |
08.68 |
| Q/SA |
14.10 |
08.88 |
| R/SA |
14.35 |
09.02 |
| T/SA |
14.70 |
09.21 |
| U/SA |
15.15 |
09.45 |
| V/SA |
15.80 |
09.81 |
| W/SA |
16.95 |
10.51 |
| AF/S |
14.15 |
08.90 |
| BF/S |
14.95 |
09.34 |
| CF/S |
15.45 |
09.62 |
| DF/S |
15.90 |
09.86 |
| EF/S |
17.75 |
11.01 |
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| SUPER CATEGORIES |
| Super Comp |
8.90 |
5.70 |
| Super Gas |
9.90 |
6.30 |
| Super Street |
10.90 |
6.90 |
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