Industrial Injection LML Duramax Premium Stock Plus Short Block Engine (2011-2015)
Restore confidence in your 2011–2015 LML Duramax 6.6L with the Industrial Injection Premium Stock Plus Short Block Engine. Designed to eliminate many of the common failure points associated with the factory Duramax platform, this engine combines premium components, precision machining, and proven assembly techniques to deliver exceptional reliability and long-term durability.
Every Premium Stock Plus Short Block is built using the highest quality parts and machining processes available. From the balanced and blueprinted rotating assembly to the keyed crankshaft and camshaft, each engine is meticulously assembled and tested to ensure maximum performance, reliability, and longevity. Whether you're replacing a failed engine or building a dependable daily driver, towing rig, or work truck, this short block provides a solid foundation built to last.
Key Features
- Balanced and blueprinted rotating assembly
- Sim tested short block
- Industrial Injection X Series coated, chamfered, and de-lipped pistons
- Balanced and keyed OEM Duramax crankshaft
- ARP main bolts installed
- Balanced OEM Duramax connecting rods
- ARP rod bolts installed
- Keyed Duramax camshaft
- Pinned oil pump
- New water pump
- OE oil pickup tube
- Stock oil pan included
- Built for maximum durability and long-term reliability
Premium Stock Plus Engine Construction
Every Industrial Injection Premium Stock Plus Short Block is precision machined, balanced, and assembled to exacting specifications. The rotating assembly is carefully balanced and blueprinted to ensure smooth operation and consistent performance throughout the engine's lifespan.
Industrial Injection X Series coated, chamfered, and de-lipped pistons help improve durability while reducing stress concentrations commonly found in factory piston designs. Combined with a keyed crankshaft, keyed camshaft, pinned oil pump, and premium ARP fasteners, this engine is engineered to provide exceptional reliability in both stock and mild performance applications.
Each completed short block undergoes simulation testing and rigorous quality control procedures before leaving our facility.
What's Included
- Fully assembled LML Duramax short block
- Industrial Injection X Series coated, chamfered, and de-lipped pistons
- Balanced and keyed OEM Duramax crankshaft
- Balanced OEM Duramax connecting rods
- ARP main bolts
- ARP rod bolts
- Keyed camshaft
- Pinned oil pump
- New water pump
- OE oil pickup tube
- Stock oil pan
Not Included
- Additional assembly gaskets
- Fuel system components
- Turbocharger components
- Oil cooler
- Break-in oil
Vehicle Fitment
2011–2015 GM Duramax LML 6.6L
- Chevrolet Silverado 2500HD
- Chevrolet Silverado 3500HD
- GMC Sierra 2500HD
- GMC Sierra 3500HD
Why Choose the Industrial Injection Premium Stock Plus Short Block?
- Designed to address common Duramax engine failures
- Premium machining and assembly processes
- Balanced and blueprinted rotating assembly
- Upgraded X Series piston technology
- ARP fasteners throughout critical engine components
- Built using proven Industrial Injection engine-building expertise
- Ideal for stock replacement, towing, and work truck applications
- Engineered for maximum reliability and long service life
Warranty Information
This engine is backed by Industrial Injection's 2-Year Warranty.
For proper engine break-in, Industrial Injection recommends using Driven Racing Oil (Joe Gibbs) Break-In Oil for the first 300–500 miles of operation. Break-in oil is not included with the engine.