Big block lower alternator pivot bolt lock nut and flat washer. For short water pump applications. 65 thru 74 Corvette 65 through 68 Nova Impala Camaro Chevelle. f in a circle head marking bolt and dimple lock nut. They do not reproduce this bolt with this head marking or the locking style nut
. Very nice very good condition SOLD $60 shipped to the lower 48 SOLD