Holley's finned LS valley covers are manufactured from die-cast aluminum and feature a vintage finned design that perfectly complements our finned LS valve covers. These LS valley covers are the ideal upgrade if you are looking to dress up your LS valley pan. These valley covers are smooth on the underside, allowing for the elimination of Displacement-On-Demand (DOD), and instead feature an ample gasket sealing surface and provisions for re-installing the oil pressure sensor if necessary…