Proflow's aluminum LS valve covers are Manufactured from cast aluminum, they come in 2 different finishes, and feature a billet aluminum oil fill cap. Some valve covers in this series eliminate the need for the factory ignition coil bracket. Instead, the coils bolt directly to the valve covers for a nice angled look! Proflow aluminum LS valve covers reuse the factory gaskets and bolts, will work with .750 lift camshafts using stock-style rocker arms, and fit all ignition coils with 72mm spacing. Each 2-Piece LS valve cover set includes a low-profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, and 12-point dress up hardware and rubber grommets for the coil covers. These modular LS valve covers are available in 2 finishes: polished or satin black, Features: Cast aluminum 2-Piece LS valve covers designed to mount and hide both Gen I and Gen V style LS coil bodies Retain the performance of factory coil-on-cover ignition without the unsightly styling Base fits LS1, LS2, LS3, LS6 and LS7 engines Base features internally baffled ventilation system Clearance for .750” lift cam with stock style rocker arms Coil cover features Holley vintage style fins and cast-in wiring provisions No coil relocation, wire harness extensions, or custom spark plug wires required Includes low-profile billet oil fill cap Includes all necessary coil mounting and dress-up hardware