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Built for demanding work trucks and heavy-duty applications, the Heavy Hauler 6.7 Cummins Long Block is a fully assembled, precision-engineered powerhouse rated for up to 700 HP. Designed for optimal airflow and efficiency, 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 to ensure superior sealing strength. Every unit undergoes CNC blueprinting, precision machining, and a comprehensive quality control process, delivering unmatched durability and longevity. Manufactured by D&J Precision Machine, this long block is ready for installation with an oil pan, front cover, and pre-lubed break-in oil included.

• Rated for up to 700 HP - Designed for demanding work applications, though high-horsepower tuning is not recommended for heavy towing
• Precision CNC Machining - Blueprinted, bored, honed, and torque plate honed for maximum strength and reliability
• High-Performance Cylinder Head - 5-axis CNC ported with extra-large heavy-duty valve seats for improved airflow and efficiency
• Street/Towing Performance Camshaft - Lowers EGTs by 200-300 degrees while increasing fuel economy
• Custom ARP 9/16" Head Studs - Provides 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 seamless installation

Parts

• 24-Months

Labor

• 24-Months

• For any warranty claims / issues please contact D&J Precision Machine. Phone: 740-297-7223
• Not for sale on licensed California vehicles

[/shortdesc][product_details_title]Heavy Hauler Long Block Engine | Dodge/Ram 6.7L Cummins | 2013-2018[/product_details_title][product_line]ENGINES[/product_line][product_applications]Enable[/product_applications][product_meta_keywords]Dodge, 6.7L Cummins 13-18, Engine Long Blocks & Heads, Long Blocks, Heavy Hauler Long Block Engine Dodge/Ram 6.7L Cummins 2013-2018[/product_meta_keywords]