Holley 2-Piece "Chevrolet" Valve Covers, Polished (GM LS)

Cast Aluminum LS Valve Covers with Coil-Mounting Base & Integrated Coil Cover

• 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

These valve covers feature integrated coil mounts designed specifically to fit Gen I and Gen V style LS coil bodies (OE and most aftermarket). More info and part numbers for each applicable LS coil body is listed below:
Gen I Style LS Coil Body P/N's:
GM: 12558948
MSD: 8262, 82628 (set of 8) / 82623, 826238 (set of 8)
AC Delco: D580

Gen V Style LS Coil Body P/N's:
GM: 12570616
Holley: 410004
Accel: 140043, 140043-8 (Set of 8) / 140043K, 140043K-8 (Set of 8)
MSD: 8265, 82658 (set of 8) / 82653, 826583 (set of 8)
AC Delco: D514A

Coils Not Included
OE LS valve cover mounting hardware and OE LS valve cover gaskets may be reused with these valve covers, but replacements may be necessary over time. Carefully inspect all components that will be reused before installation to determine if a replacement part may be necessary.