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NHRA Tech Department makes updates to the engine blueprint specifications

Sept. 28, 2021

 

The NHRA Technical Department recently made changes to the blueprint specifications.

                       

 

 

Olds 1992 138/120 added replacement cylinder head

Olds 93-94 138/115 added replacement cylinder head

Pont 1992 138/120 added replacement cylinder head





RM
 

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