NHRA Tech Department makes corrections/updates to the Stock Car Classification Guide

Oct. 5, 2022

The NHRA Technical Department recently made changes to the Class Guide.

Chev 68-69 396 375/412 change to 396 375/399 Nova Stk

Ford 71,73 all cougar corrected wheelbase

Mopar 64-65 and 68 426 425 race Hemi added alternate cylinder heads SS

Mopar 65-71 426 425 Hemi added alternate cylinder heads SS

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