Curb Hoppers0My CartAllstar PerformanceAllstar Reducer Spacer 5/8 in OD to 1/2 in ID 1" Thick Aluminum Natural 2x 18617Listing ID: 911869UPC: 848238052633Manufacturer Part Number: 18617Reference Part Number(s): ALL18617In Stock, 11 AvailableWill Ship Within 3 Days$12.33Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.