NHRA U.S. Nationals Stock and Super Stock Runs To Be Included In Automatic Horsepower Factoring System
- Jul 23, 2025
- 1 min read
NHRA has announced that the Automatic Horsepower Factoring system will be used during this year’s NHRA U.S. Nationals. As a result, runs made by Stock and Super Stock competitors at any time during the event will count towards class averages, used to trigger index or horsepower reviews.
73237
