Collection: 2006-2007 Duramax LBZ 6.6L

Unleash the holy grail of pre-emissions diesel performance. The 6.6L LBZ Duramax is legendary among enthusiasts, widely regarded as one of the best diesel engines ever built. Combining a massive jump in factory horsepower, a significantly strengthened engine block, and the introducing of the robust Allison 6-speed automatic transmission, the LBZ is the ultimate platform for reliable daily driving, heavy towing, and extreme competitive builds.

Whether you are performing routine maintenance, bulletproofing your drivetrain, or chasing high-horsepower numbers, find everything you need here.