Horsepower adjustments following the MOPAR NHRA Las Vegas Nationals events in Las Vegas, NV

Nov. 3rd, 2026

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the MOPAR NHRA Nationals event, the following change has been made.

The horsepower rating for 1969 Chevrolet Nova, entries with the 396 cubic inch engine and a factory rating of 375 currently rated at 400, has been increased by three horsepower, to 403 horsepower: for Stock Eliminator manual.

NHRA's 2026 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 Nov. 3, 2026.