Curb Hoppers0My CartARP (Automotive Racing Products)Nut - 1/2-20 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - EachListing ID: 917740Manufacturer Part Number: 300-8304Reference Part Number(s): ARP300-8304In Stock, 15 AvailableWill Ship Within 3 Days$9.45Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.