June 1968 ~NHRA Stock Class National Records

Ray

In 1968,

The NHRA Stock Class started at
A/Stock ....... 8.00 to 8.49 Wt/HP

The weight breaks were at every .50 Wt/HP up to J/Stock.

Starting at K/Stock {13.00 to 13.99 Wt/HP}, the classes
then went to a 1.00 Wt/HP difference.