NHRA Tech Department makes updates/corrections to the Stock Car Classification Guide
7 days ago
1 min read
Oct. 7, 2026
The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows.
GM 98-08 multiple LS added replacement cylinder head.
Ford 64-81 multiple small block added replacement cylinder head.
Ford 61-70 multiple FE added replacement cylinder head.
