Curb Hoppers0My CartARP (Automotive Racing Products)Header Stud - 3/8 in Diameter - 1.670 in Long - 12 Point Nuts - Stainless - Polished - Small Block for Chevy - Set of 14Listing ID: 918323UPC: 672036020415Manufacturer Part Number: 400-1400Reference Part Number(s): ARP400-1400Out Of StockBrand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.