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
The rotating assembly in the 6.6L LML Duramax (2011–2016) consists of the crankshaft, connecting rods, pistons, and bearings. The crankshaft converts the reciprocating motion of the pistons into rotational motion to drive the vehicle. The connecting rods link the pistons to the crankshaft, transferring the combustion force. The pistons compress the air-fuel mixture in the cylinders, generating power when ignited. The bearings reduce friction and maintain smooth movement of the rotating parts. Together, these components handle the high forces and stresses of the engine, ensuring reliable performance.
Building engines the way the OEM factory should have in the first place.
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