Our aluminum coil covers are designed to mount to the stock coil covers, concealing the unsightly ignition coils found on LS engines. They come complete with mounting hardware and a billet aluminum oil filler neck and cap. Fits LS Based Engines. Composed of T-6061 Aluminum and tig welded construction. Covers most Delco D580 style style ignition coil brackets.Designed for use with stock valve covers.