Dec. 14, 2022

The NHRA Technical Department recently made changes to the Class Guide.

Chev  283 220/230 change to 283 220/237 64-66 SS

Mopar 426 425/515 change to 426 425/505 64-65,68 GT

Mopar 426 400/460 change to 426 400/450 64-65 GT

Mopar 426 425/515 change to 426 425/505 1968 SS/AH

Ford Maverick Grabber corrected wheelbase 1974

Ford 227 260/234 change to 227 260/230 11-14 Stock/SS