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

The horsepower rating for 1999-2002 GM Camaro/Firebird, entries with the 346 cubic inch engine and a factory rating of 320-325 currently rated at 369 has been increased by twelve horsepower, to 381 horsepower; for Stock Eliminator

NHRA's 2012 Automatic Horsepower Factoring System outlines that any run of 1.20-second or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective Sep. 24, 2012.