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NHRA Tech Department makes updates to the engine blue print specifications

March 15, 2022


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



                    Chev 1986 305 160 added truck specifications


                    Pont 1975 400 170-185 added alternate cylinder head


                    Pont 1976 400 170-185 corrected head gasket thickness


                    Pont 1976 400 added alternate cylinder head