2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Head Studs & Main Studs

When it comes time to rebuild your 2017-2019 GM 6.6L Duramax L5P, you're going to want the best and most reliable upgrades installed on your rig. That's exactly why we only work with trusted and reliable brands to bring you the best head studs and main studs on the aftermarket. These studs are vital for for high-performance engines sporting high compression or turbochargers, both of which require even and accurate clamping forces in every situation. Unlock the full potential out of your Sierra/Silverado 2500/3500 with any of the premium head studs offered here at Alligator Performance! GM Duramax Fitments: 2017, 2018, 2019 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.