Ensure a leak-free, reliable top-end rebuild on your 6.6L Duramax LMM (2007.5–10) with the MAHLE Clevite Head Set HS54580B. This complete gasket kit covers all critical upper engine sealing needs—valve cover, intake/exhaust manifold, injector seals, coolant crossover, and more—built for Chevy Silverado and GMC Sierra HD.
MAHLE uses premium, diesel-rated materials to survive high boost and heavy-duty workloads. Every component is OE-quality for factory fit and longevity; perfect for head gasket jobs, major top-end work, or injector upgrades. Engineered specifically for the LMM’s unique design and durability requirements.
Fit/cross reference: HS54580B, BHGJHS54580B, 027067846761. Head gaskets not included—add separately. Trust MAHLE for the ultimate sealing solution in Duramax head repairs.
