2-Piece Finned Valve Cover Gen III/iv LS Machined Chevrolet Gen III/iv LS Cast Aluminum Coil-Mounting Base & Integrated Coil Cover HolleyHolley's new 2 Piece Ls valve covers are a great way to update the look of your Ls engine without the use of complicated adapter systems or the hassle of remote coil relocation. These modular Ls valve covers feature an Oe height, internally baffled Ls valve cover base with integrated coil mounts for popular Gen I and Gen V style Ls coil bodies (coils not included), and a vintage style finned overcover that hides the unsightly Ls coils and messy wiring