V-8 Water Pump Rebuild Kit 68-8591

Self locking, for shock links (see below). 3/8-24 fine thread.

A cage nut is a square nut in a sheet metal cage that can be welded or brazed to the body. Often used to mount floor pans and rear fenders.

Dual filament, use for some accessory turn signal lights, 1932-1948 car & pickup

122" long, includes (2) 91A-2597 rubber boots, 1939-1941 passenger and pickup, 1939 3/4 ton truck