Curb Hoppers0My CartMSD Ignition (by Holley)MSD 8517 Distributor Pro-Billet Red Magnetic Trigger for Big Block BuickListing ID: 968158UPC: 085132085170Manufacturer Part Number: 8517Reference Part Number(s): MSD8517Out Of StockBrand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.