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DFC Engines

DFC Diesel 5.9 DODGE CUMMINS 12V TOW HAUL SERIES SPEED OF AIR LONG BLOCK (STD AUTO) 94-97 - TH599497SOALB

$13,894.77 $12,362.67 Save $1,532.10

SKU: D011 TH599497SOALB

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The DFC Diesel Tow/Haul Series Speed of Air Long Block (STD/Auto) is a purpose-built long block for 1994–1997 5.9L Cummins 12-valve engines, featuring ceramic-coated piston crowns, dry film-coated skirts, a stage 3 camshaft, Manton heavy-duty pushrods, upgraded 60lb valve springs, ARP or OptiTorque head studs, a Cometic MLS gasket set, and Total Seal gapless rings.

Fitment

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Specifications

BrandDFC Engines
Part NumberD011 TH599497SOALB

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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