The NHRA Technical Department recently made changes to the Chevrolet 90-92 Super Stock and SS/GT, by adding replacement cylinder heads.

   Additional changes to the Class Guide, due to clerical errors were as follows.

1964 Mopar 383 330/281 change to 383 330/280 Stock Eliminator

1964 Mopar 426 365/305 change to 426 365/296 Stock Eliminator