2007.5-2010 GM Duramax 6.6L LMM Turbo Gaskets & Accessories

One of the best things you can do for your 2007.5-2010 GM 6.6L Duramax LMM is replacing the OEM turbo gaskets to maintain a consistent seal of the entire assembly. Aftermarket turbo gaskets also help out by locking in the hot air created by performance applications to ensure it won't adversely affect your other engine components when pushing things to the limit. Here at Alligator Performance, we only work with the best and most trusted brands so you can outfit your Sierra/Silverado 2500/3500 with some of the best upgrades in the business. GM Duramax Fitments: 2007, 2009, 2010 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.