LSX Innovations CB10 LS1 Billet Ignition Coil Bracket Billet Aluminum CNC machined aircraft grade billet aluminum LS1 coil brackets for your LS1/LS6 D580 12558948 coils Comes with all required hardware and 2 coil brackets These brackets are for LS1/LS6 coil packs only. They will NOT work with truck/square coil packs Aluminum