Description
[shortdesc]
The Heavy Hauler 5.9 Cummins Common Rail Long Block is built for towing, heavy-duty work, and high-performance applications, delivering up to 700 HP while improving airflow, fuel efficiency, and durability. This long block includes a D&J Stage 1 High-Performance Cylinder Head, a street/towing camshaft for lower EGTs, and custom ARP 9/16” head studs for maximum sealing strength. Fully blueprinted, CNC-machined, and pre-lubed with break-in oil, this long block is engineered for superior reliability and performance. Manufactured by D&J Precision Machine, this engine is designed to handle extreme workloads with ease.
FEATURES
- Rated for up to 700 HP – Designed for demanding work applications, though high-horsepower tuning is not recommended for heavy towing
- Stage 1 High-Performance Cylinder Head – 5-axis CNC ported with heavy-duty oversized intake and exhaust seats for maximum airflow and durability
- Street/Towing Performance Camshaft – Lowers EGTs by 200-300 degrees, improving efficiency and fuel economy
- Custom ARP 9/16″ Head Studs – Delivers superior head-to-block sealing for high-boost applications
- Fully Assembled & Pre-Lubed – Includes oil pan, front cover, rocker box, and break-in oil for quick installation
WARRANTY
Parts
- 24-Months
Labor
- 24-Months
NOTE
- For any warranty claims / issues please contact D&J Precision Machine. Phone: 740-297-7223
- Not for sale on licensed California vehicles
VIDEOS
D&J Long Block What to ExpectD&J Heavy HaulerD&J Long Block DifferenceD&J Long Block Underrated[/shortdesc][product_details_title]Heavy Hauler Long Block Engine | Dodge/Ram 5.9L Cummins | 2004.5-2007[/product_details_title][product_line]ENGINES[/product_line][product_applications]Enable[/product_applications][product_meta_keywords]Dodge, 5.9L Cummins 04.5-07, Engine Long Blocks & Heads, Long Blocks, Heavy Hauler Long Block Engine Dodge/Ram 5.9L Cummins 2004.5-2007[/product_meta_keywords]
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