3/26/2019
As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA national event, the following changes have been made.
The horsepower rating for 09-10 Dodge Challenger, entries with the 370 cubic inch engine and a factory rating of 340 currently rated at 348, has been increased by twelve horsepower, to 360 horsepower; for Stock Eliminator.
NHRA's 2019 Automatic Horsepower Factoring System outlines that any run of 1.20-seconds or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective March 26, 2019.