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NHRA Tech Department makes updates to the Stock Car Classification Guide

July 21, 2026

 

The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows.

 

Mopar 1965 426 425/450 change to 426 425/454 Stock Auto







ATI Brodix CTECH Callies Mark Williams Maxima Moroso PST Shafiroff Taylor Motorsports
RM
 

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