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
Choate Engineering Performance provides high-performance components for the 2007.5-2010 6.6L LMM Duramax engine, including both Daily Driver and Workhorse long block assemblies. The Daily Driver Long Block features in-house built heads with pressure-tested valves, induction-hardened seats, new valve guides, seals, head studs, and head gaskets. The Workhorse Long Block includes a Stage 2 camshaft, flycut, coated, and delipped pistons, along with comprehensive CNC blueprint machining for optimal performance. These enhancements are designed to improve engine durability, towing capabilities, and overall reliability.
Building engines the way the OEM factory should have in the first place.
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