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

Dec. 13, 2021


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


Chev added 346 305-320 combination 1998


Chev 1969 427 430 added replacement heads for GT


Chev added COPO Camaro combinations 2022


Mopar 64-91 added aftermarket heads for LA motors SS only


Pont added 346 305-320 combination 1998