GM Premium Stock Long Block For 2004.5-2005 6.6L LLY Duramax Industrial Injection

Save $206.19
Industrial InjectionSKU: PDM-LLYSTKLB

Sale price$13,091.75 Regular price$13,297.94


This product does not qualify for free shipping, and after your purchase we will send you an invoice for the freight charges. Please call before purchasing if you would like a quote on shipping.

Industrial Injection 2004.5-2005 6.6L LLY Duramax Premium Stock Plus Long Block Engine. The Industrial Injection Premium Stock Plus Duramax Long Block was designed to eliminate the common engine failures associated with the 6.6L Duramax.

These premium upgrades result in industry leading reliability out of the engine build. We use the highest quality parts and machining processes in every engine build, guaranteeing you the up most reliability and precision to have the longest running engine on the road.

Premium Stock Plus Duramax Engine Specs:

  • Balanced and Blue Printed Rotating Assembly
  • Sim Tested Short Block
  • Coated and Chamfered De-Lipped Pistons
  • Balanced and Keyed Stock Duramax Crank w/ ARP Main Bolts
  • Balanced Stock Duramax Rods w/ ARP Rod Bolts
  • Keyed Duramax Camshaft
  • New Oil Pump, Water Pump and Oil Cooler
  • New Oil Pickup Tube
  • Stock Oil Pan
  • Billet Crankshaft Available

Premium Stock Plus Duramax Cylinder Head Specs:

  • Reconditioned Milled and Surfaced Heads
  • High Strength Alloy, Heat Treated Iron Based Valve Guides
  • Diamond Honed Guides
  • Premium Valve Seat Inserts
  • Made From A True Nickel Based Non-Magnetic Material
  • New Unshrouded Valves w/ Multi Angle Valve Job
  • Duramax OEM head gaskets
  • ARP 2000 Head Studs
  • New Valve Springs

Does not come with valve covers

Does not come with rocker assembly or pushrods

Does not come with additional gaskets for assembly*Does not come with any fuel or turbo components. This is a crate long block

All Industrial Injection short blocks and long blocks are required to be ran with Joe Gibbs Break In Oil (not included) for the initial 300-500 miles.

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WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to

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