2006-2007 GM 2500HD/3500HD 6.6L LBZ Duramax Rods, Pistons, Cams & More

Whether you're looking to upgrade to a high-performance engine on your 2006-2007 GM 6.6L Duramax LBZ, or you simply need to prevent your pistons and rings from wearing out, we have your back here at Alligator Performance. Newer and more advanced engine modifications put a greater demand on pistons and rings than ever before, running at higher temperatures, cylinder pressures, and higher operating RPM. Luckily for you, we only work with trusted and reliable manufactures to bring you the best upgrades in the business for your Sierra/Silverado 2500 or 3500. 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.