Just posted on IHRA.com...
http://www.ihra.com/article/1819.html
excerpt:
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Summit Racing Equipment Sportsman Classes
SUPER STOCK
3 Fuel injection classes will be included in the Modified section in Super Stock with the same cubic inch and weight minimum limitations. One 90mm IHRA accepted throttle body permitted.
SS/AFI 7.50 lbs to 8.49
SS/BFI 8.50 lbs to 9.49
SS/CFI 9.50 lbs to 10.49
All classes may move up or down one class from the original classification.
Steering: Super Stock Production, Modified, Modified Stock may utilize rack and Pinion units on all entries.
STOCK
- All classes must use a minimum of a 3.2A-1 fire jacket.
- All classes may move up or down one class from the original classification.
- Pure Stock entries may not use a two step.
- Line lock and two step functions must be independently wired and not activated any other function on the entry.
GENERAL
- Records in Super Stock and Stock will no longer receive bonus points.