Curb Hoppers0My CartARP (Automotive Racing Products)Header Stud - 3/8-5/16 in Diameter - 1.500 in Long - 12 Point Nuts - Chromoly - Black Oxide - Universal - Set of 16Listing ID: 918559UPC: 672036000219Manufacturer Part Number: 100-1411Reference Part Number(s): ARP100-1411In Stock, 3 AvailableWill Ship Within 3 Days$151.43Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.