2007.5-2010 GM Duramax 6.6L LMM Heads Studs & Main Studs

After adding high-performance modifications onto your 2007.5-2010 GM Duramax LMM, you're going to need to replace the head studs and main studs to ensure consistent and reliable performance of your engine. Diesel engines undergo a ton of pressure just by their factory design alone, so modifying your 6.6L Duramax puts even more stress on each component. Here at Alligator Performance, we carry a selection of premium head stud kits to ensure accurate torque values and improved durability each time you get behind the wheel of your Sierra/Silverado 2500/3500. 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.