Holley Aluminum Chev LS Series Rocker Covers # HO241-176 Cast Aluminum LS Valve Covers with Coil-Mounting Base Integrated Coil Cover 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 Coil cover features vintage valve cover styling with a prominent GM Licensed Chevrolet script logo and cast-in wiring provisions Base fits LS1, LS2, LS3, LS6 and LS7 engines with clearance for .750 lift cam with stock style rocker arms Base features internally baffled ventilation system 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