2006-2007 GM Duramax 6.6L LBZ Transmission Upgrades

After slapping on some premium performance modifications to your 2006-2007 GM 6.6L Duramax LBZ, chances are your transmission will start to feel the strain of the increased horsepower and torque your Sierra/Silverado is throwing down. Here at Alligator Performance, our high-quality transmission upgrades and accessories will ensure your transmission stays in one place after adding on tons of power. We offer transmission upgrades including transmission pans, torque converters, flex plates, modules, and even complete transmissions to give your 6.6L Duramax LBZ consistent performance you can count on! GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.