Description
WITHOUT MOUNTING BOSSES FOR COIL PACKS 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 Fabricated Aluminum Valve Covers, Billet Rail, LS-1 Chevy, Without Mounting Bosses for coil packs