LMM Duramax Valvetrain

Enhance the performance and reliability of your 2007–2010 LMM Duramax with premium valvetrain components. From pushrods and valve springs to rocker arms and lifters, these parts are built to handle high RPM, increased boost, and heavy-duty workloads. Whether you're building a performance engine or ensuring long-term durability, our high-quality valvetrain upgrades deliver the control and strength your Duramax needs