Moroso Fabricated Aluminum Valve Covers Billet Rail for LS-1 Chevy W/O Coil Pack Mounting Bosses

Moroso Fabricated Aluminum Valve Covers, Billet Rail, LS-1 Chevy, With Mounting Bosses for coil packs Features One-piece Billet Rail is CNC machined from 6061-T6 Aluminum to ensure a precision flat surface for superior sealing 2.5" tall to clear aftermarket valvetrain Oil Fill Bung welded to cover, knurled cap included O-ring Seal Groove Uses stock type o-ring No mounting bosses for coil packs *Not legal for sale or use on pollution-controlled vehicles. Application: 1998-2002 Chevy 5.7L LS Based Engines