Wehrli 100416 Billet Upper Valve Cover Set | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Features: - Left and Right Upper Valve Covers - CNC Machined Billet Aluminum - Flush Head Stainless hardware - Black Anodized #10 JIC Fittings - O-ring Seal - Raw Finish Standard - Optional Custom Color Powder Coat Finishes Available for Additional Charge - Made in USA WCFab Billet Aluminum Upper Valve Cover Set fits LML Duramax and are a great way to clean up your engine's appearance. Integrated o-ring seal replaces OEM gaskets and prevents the need for use of silicone sealers. Includes countersunk stainless steel fasteners and black anodized #10 JIC (-10AN) fittings. Finished in raw aluminum ready for polishing or painting standard. Custom Color Powder Coat finishes available as an optional upgrade and carry additional lead time. ***NOTE: These valve covers do not have OEM style mounting bosses to accept factory fuel filter housing bracket and other OEM type items. Modifications to wire harness tabs and mounting brackets are necessary for installation of this product*** Supersedes WCF100692