DogBone Head Gasket Kit w/Studs DogBone-LLY/LBZ-HGK-STUDS | 2004.5-2007 Duramax 6.6L LLY, LBZ

DogBone by UnderDog Diesel – LLY/LBZ Duramax Head Gasket Kit

An all-inclusive Head Gasket Kit from DogBone by UnderDog Diesel, engineered specifically for the LLY and LBZ Duramax engines. This complete package includes premium-grade components for a durable, leak-free, and long-lasting engine seal.

Includes:

• Mahle Upper Engine Gasket Kit
• Mahle Grade C Head Gaskets
• DogBone Head Studs

Product Details:

Mahle gaskets are manufactured from high-quality materials to ensure a leak-proof seal and extended service life. As the industry standard in gasket reliability, Mahle delivers consistent performance trusted by professionals and enthusiasts alike.

The included Grade C Multi-Layered Steel (MLS) head gaskets feature a 1.05mm thickness, designed to handle increased cylinder pressures and extreme temperatures while maintaining a perfect seal—ideal for both stock and performance Duramax builds.

Upgrade your Duramax engine with DogBone’s proven strength and Mahle’s superior gasket technology.