LSX LS1 LS3 LS6 Fabricated Aluminum Valve Covers GM Chevy - No Coil MountsThese A-Team Performance LSX Valve Covers are fabricated out of 6061-T6 Aluminum. They replace center-bolt valve covers and give extra clearance for aftermarket valve train. They provide a racing look. These do not have coil pack bracket mounts. No PCV port. We made these taller than stock, please ensure you have adequate clearance for any accessories before purchasing. HI, AK & PR IS EXTRA!