June 1968 ~NHRA Stock Class National Records

1968 NHRA Stock Class 'Exceptions'

Mopar 340/275 HP
The 340 was 're-factored' to 310 Horsepower

Mopar B-Body 426/425 HP 'Street Hemi'
The 426 'Street Hemi' was 're-factored' to 465 Horsepower

Chevrolet Camaro Z-28 302/290 HP
The 302 was 're-factored' to 315 Horsepower

Ford 428/335 HP Cobra-Jet
The 428 was 're-factored' to 355 Horsepower

Pontiac Firebird 400/335 HP 'Ram Air'
The 400 was 're-factored' to 340 Horsepower