NHRA Tech Department made additions to the Stock Car Classification Guide
- Oct 3, 2016
- 1 min read
Oct. 4, 2016
The NHRA Technical Department recently made changes to the Class Guide.
92-98 GM 350 added Edelbrock cylinder head 61917 SS only
80-92 GM 305 added World cylinder head 043600 SS only
78-89 Mopar corrected replacement cylinder head horsepower 68768
