2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Rods, Pistons, Cams & More

We carry high-performance Rods, Pistons, Cams and more to give your 2011-2016 GM 6.6L Duramax LML more power and efficiency each time you get behind the wheel. These aftermarket pistons and rings help free up additional horsepower by reducing the friction within the cylinder, providing a seal between the piston and cylinder wall, and preventing leaks within the combustion chamber. Unlock the full potential out of your Sierra/Silverado 2500/3500 with the premium upgrades we offer, right here at Alligator Performance!  GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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.