1967,
Plymouth had plans to dominate the 1967 Stock Class,
If you were able to get one in November or December 1966, and
sneak to the drag strip, you could get classed in,
* 426 'Street Hemi'........... A/S and A/SA
* 440 'HiPo'........................C/S and C/SA
But, in January 1967, the NHRA 'massaged' the weight breaks,,,,,,,,,,