Current Lead Times: 1-3 Weeks on Most Engines; 3-4 Days on Heads – *call us for more exact lead times for your specific build 
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6.6L 2006-2007.5 Duramax LBZ Short Block Daily Driver Diesel Crate Engine Choate Performance

SKU: CEP66LBZSD
UPC : 659657174901

$9,300.00$10,800.00

6.6L Short Block Daily Driver LBZ Engine 2006-2007.5 – Duramax Diesel Engine. Optional Parts are not installed. Optional parts are covered under the manufactures warranty and not by CHOATE.

This build includes:

  • Full CNC blueprint machining, (bore, deck, hone, and line honed)
  • The Cylinder bores are blue print bored to a true 90 degrees from the crankshaft center line, prior to being diamond honed to within .0002 inch for precise piston to cylinder bore clearances.
  • We main bore and line hone the crankshaft which is honed to precisely align the crankshaft in the engine block.
  • We bore the block back to the crankshaft center line and hone the block to RA13 finish.
  • The piston diameter measured to the nearest .0001 inch matched to cylinder bores.
  • The Cylinder block is surfaced to a finish of RA30 or lower, which meets the factory specification in both flatness and smoothness for the block to head sealing surface.
  • This is mandatory for proper sealing of a MLS Gasket.
  • Connecting Rods, New Damper and New Flexplate with automatic transmissions.
  • Check both wrist pin and crank pin to rod clearances.
  • New upgraded Pistons .10 – .30 inch over – New Pistons, Rings, Pin Retainers weight matched prior to crank balancing
  • Crankshaft – Balanced with the Rotational assembly checked for run-out inspected for fatigue.
  • Crankshaft is Polished and ground to .0005 concentricity or less
  • New Rod, Main and Cam Bearings
  • Camshaft – Polished and Inspected
  • Install Rear Main Seal
  • Install New Bed Seals
  • Install New Rear Cover Gasket
  • Install Upper and Lower Oil Pan Gaskets
  • Install Pickup Tube O-ring
  • Rear Cover Installed

Assembled by Our Professional Team in house

  • Perfect for daily driving use, family haulers, recreational towing (not intended for commercial use).
  • 5 year 100K warranty on our Daily Driver builds with upgrade-able options
  • By buying you agree to have the engine core ready for pickup and return to us within 30 days of receiving the engine.
  • Failure to do so will void your warranty.

Core will be inspected and must meet our specifications to deem it a good usable core. Mainline and crank must meet our specs as well. The engine will be shipped to choate engineering performance in shrink wrap on a non returnable wooden pallet & the appropriate core charge due.

Once inspected appropriate core fees will be kept and balance remaining will be refunded promptly in the form of a check.

We require a like for like core- meaning if we send you a long block we require everything from your core long block to be usable and machinable.

  • We will need the year, make, model, and vin number to make sure you are buying the correct engine before we ship.
  • We must know if the transmission is manual or automatic as this effects prices and usability.
  • If transmission is manual, we suggest purchasing a flywheel so we can balance it to a new flywheel.
  • If customers flywheel is used the engine will be balanced to a stock flywheel.

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*Please choose the year first
*If you know your vin number before hand it is very helpful during the quotation period. Please note that this will be required before the engine is built.

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