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DFC Engines

6.6 CHEVY GM STREET SERIES SPEED OF AIR LONG BLOCK (STD AUTO) 04.5-05 LLY Core Charge Applies plus Core Container Charge (3000) of 500 Crate charge

$13,460.38 $11,206.45 Save $2,253.93

SKU: D011 SS6604505LLYSOALB

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The DFC Street Series Long Block is a remanufactured engine designed as an upgrade from stock for work trucks, daily drivers, and diesel enthusiasts. It includes significant enhancements to address common problem areas and comes standard with ARP series 2000 head studs or OptiTorque head studs. This long block consists of the complete short block assembly, gaskets, cylinder head, all rockers/pushrods preset to factory specifications, and a complete top end gasket set for installation. It does not include fuel system components, turbochargers, or front cover accessories.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDFC Engines
Part NumberD011 SS6604505LLYSOALB

Videos

DFC Diesel Remanufactured Short & Long Block Crate Engines | XDP

DFC Diesel Remanufactured Short & Long Block Crate Engines | XDP
2005 LLY Duramax start to finish build- we installed our tow monster package for the customer

2005 LLY Duramax start to finish build- we installed our tow monster package for the customer

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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