Wehrli Custom Fabrication LLY/LBZ/LMM Duramax Billet Upper Valve Cover Set - WCF100415
- Left and Right Upper Valve Covers
- CNC Machined Billet Aluminum
- Built in clearances for performance engines equipped with rocker studs
- Flush Head Stainless hardware
- Black Anodized #10 JIC / -10AN 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 sets fit LLY, LBZ, and LMM 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 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 are available as an optional upgrade and carry additional lead time.
We recommend pairing these with our Top Outlet Billet Thermostat Housing and Upper Coolant Pipe kits (or a forward-facing thermostat setup) because these valve covers do not include brackets for the side mount routing of the OEM setup.
***NOTE: These valve covers do not have OEM-style mounting bosses to accept factory fuel filter housing brackets and other OEM-type items. Modifications to wire harness tabs and mounting brackets are necessary for installation of this product***
Supersedes model: WCF100616
- Item Requires Shipping
- 8.0 lbs.
- W10.0000” x H10.0000” x L30.0000”
- Free Shipping!
- This Product cannot ship to the state of California
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