Shop Blessed Performance for the D&J Precision Heavy Hauler Long Block for your Dodge Ram 6.7L Cummins. Built with pride and longevity in design process this engine removes all the main failure points that this model year Cummins came with.
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.
FEATURES
- 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
WARRANTY INFO
Parts
- 24-Months
Labor
- 24-Months
NOTE
- Not for sale on licensed California vehicles