
- Complete Top-End Solution: This kit comes with all the necessary gaskets and seals for a full top-end rebuild, eliminating the need to source individual components.
- Grade "C" (1.05mm) MLS Head Gaskets: Specifically designed for engines with resurfaced components, these gaskets provide a thicker sealing surface to compensate for material removal, ensuring an optimal seal and proper compression.
- Engineered for Durability: Constructed from high-quality, long-lasting materials, these gaskets are built to withstand the extreme pressures and temperatures of both stock and performance applications.
- Versatile Application: Ideal for a wide range of uses, from routine stock rebuilds and preventative maintenance to high-performance applications and tuned engines.
- Guaranteed Fitment: Perfectly compatible with 2004-2007 Chevy Silverado HD and GMC Sierra HD trucks equipped with the LLY or LBZ 6.6L Duramax diesel engine.

Revitalize your 2004-2007 LLY or LBZ 6.6L Duramax engine with the Powerstroke Products PP-HGS-6.6DMAXLLY LBZ Duramax Head Gasket Set. This comprehensive kit is your complete solution for a top-end rebuild or head gasket replacement. Engineered with precision, it includes everything you need to restore your engine's sealing integrity and performance. The heart of this kit lies in its Grade "C" (1.05mm) oversize MLS (Multi-Layer Steel) head gaskets, designed to accommodate engines with resurfaced cylinder heads or decked blocks. This thicker gasket is crucial for maintaining the proper compression and a flawless seal, ensuring your engine runs efficiently and reliably for years to come.
Complete Top-End Solution: This kit comes with all the necessary gaskets and seals for a full top-end rebuild, eliminating the need to source individual components.
Grade "C" (1.05mm) MLS Head Gaskets: Specifically designed for engines with resurfaced components, these gaskets provide a thicker sealing surface to compensate for material removal, ensuring an optimal seal and proper compression.
Engineered for Durability: Constructed from high-quality, long-lasting materials, these gask[...]
- Complete Top-End Solution: This kit comes with all the necessary gaskets and seals for a full top-end rebuild, eliminating the need to source individual components.
- Grade "C" (1.05mm) MLS Head Gaskets: Specifically designed for engines with resurfaced components, these gaskets provide a thicker sealing surface to compensate for material removal, ensuring an optimal seal and proper compression.
- Engineered for Durability: Constructed from high-quality, long-lasting materials, these gaskets are built to withstand the extreme pressures and temperatures of both stock and performance applications.
- Versatile Application: Ideal for a wide range of uses, from routine stock rebuilds and preventative maintenance to high-performance applications and tuned engines.
- Guaranteed Fitment: Perfectly compatible with 2004-2007 Chevy Silverado HD and GMC Sierra HD trucks equipped with the LLY or LBZ 6.6L Duramax diesel engine.