Clear Polycarbonate Duramax Valve Covers

Take your Duramax to the next level with these clear Ghost Covers, designed for the 2004.5-2010 Duramax platform, including LLY, LBZ and LMM models. Whether you're a diesel performance enthusiast, and engine builder or just want to showcase your setup, these covers provide unmatched visibility into your valvetrain operation and oil flow. Crafted from .187" thick polycarbonate, these covers offer a lightweight, heat resistant solution while maintaining durability. A specialized heat rated oleophobic coating inside and out helps repel oil, soot, and grime, ensuring long-term clarity and easy maintenance. Comes standard with a 12AN bulkhead fitting in each valve cover. Select the "no breather fitting" option if you have your breather set up elsewhere on your engine (lower valve cover, front cover, etc.) What's In The Box? One pair of .187" thick, oleophobic ceramic coated polycarbonate valve covers Breather fittings of choice installed (if applicable) One tube of clear RTV silicone Bolts for installation 12"x12" microfiber towel Installation and care instructions Care Guide DO:Use soft microfiber cloth (included)Clean with water + mild dish soapBlow off dust with clean compressed air before wiping (if available)DO NOT:Use harsh solvents (e.g. acetone, brake cleaner, or alcohol — polycarbonate doesn’t mind,but the ceramic coating will)Use glass cleaners with ammoniaPressure wash up close or hit with hot degreaserScrub with paper towels or abrasivesThe UV and oil-resistant coating is tough, but not indestructible 12-Month Warranty Covers manufacturing defects for one full year from purchase date. *Heat control is important. Our clear valve covers are designed to withstand upwards of 300° but upswept headers, turbo housings and turbo plumbing should all have heat controlling blankets or exhaust wrap at minimum to keep radiant heat from damaging the polycarbonate. Legacy Form USA is not responsible for damage from outside radiant heat sources. Ships within 7-10 days.