Curb Hoppers0My CartDart HeadsValve Guide - 5/16 in Valve - 3.000 in Long - 0.502 in OD - Bronze - EachListing ID: 931690Manufacturer Part Number: 63121104Reference Part Number(s): DRT63121104In Stock, 7 AvailableWill Ship Within 3 Days$22.66Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.