Curb Hoppers0My CartMSD Ignition (by Holley)MSD 87551 Module Chip Holder Black Rubber Up to 40 ModulesListing ID: 955590UPC: 085132875511Manufacturer Part Number: 87551Reference Part Number(s): MSD87551Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.