Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build
Machine work on the 2007–2010 Duramax 6.6L LMM includes key steps during a rebuild or upgrade. Common tasks are resurfacing heads and blocks, honing cylinders, cutting valve seats, pressure testing, and aligning bores. This work ensures tight tolerances for sealing, oil flow, and combustion. Whether rebuilding a worn engine or building for power, proper machine work is crucial for performance and reliability.
