Body/SheetMetal - Engine Compartment - Battery Hold Down Wing Nuts

From GM Performance - To complement the rest of the engine compartment, the tops of these wing nuts are stamped with GM. The shaft of the nut extends downward 2 inch below the top of the battery to prevent corrosion and subsequent breakage of the J hook. Manufactured under U.S. patent no. 4,926,953. 1 pair per package. For use on battery cross brackets with 3/8 inch holes.