NHRA Tech Department makes updates to the Stock Car Classification Guide

Feb. 25, 2020

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

Chev 1979 305 160/243 change to 305 165/235 Malibu Stk

Ford 1964 427 425 added replacement head C4AE-P

Ford 66-67 427 425 Fairlane added flat hood option

Ford 1971 Maverick corrected shipping weights

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