Description
Features
Rated for up to 1000 HP - Engineered for high-performance street and competition applications. High-horsepower tuning is not recommended for heavy towing.
DandJ X-Beam Stock Length Billet Rods - Delivers exceptional strength and durability for high-horsepower builds
Fire-Ringed Cylinder Head - Custom-machined for maximum head-to-block sealing in high-boost applications
Stage 1 High-Performance Cylinder Head - 5-axis CNC ported with HD bronze valve guides and oversized intake/exhaust seats for optimized airflow
Fully Assembled and Pre-Lubed - Includes oil pan, front cover, machined rocker box, and break-in oil for hassle-free installation
About This Product
The Street Performance 5.9 Cummins Common Rail Long Block is built for high-performance street and track applications, delivering up to 1000 HP with enhanced airflow, durability, and precision machining. This build features DandJ X-Beam Stock Length Billet Rods, a Stage 1 High-Performance Cylinder Head, and fire-ringed grooves with custom ARP 9/16” head studs for superior sealing under extreme boost. Fully blueprinted, balanced, and CNC-machined, this long block is built for maximum power and reliability. Shipped pre-lubed with break-in oil and including an oil pan and front cover, this engine is ready for seamless installation. Manufactured by DandJ Precision Machine, this long block is the ultimate upgrade for performance-driven Cummins builds.
Warranty and Notes
Warranty
WARRANTYParts90-DaysLabor90-Days
Notes
NOTEFor any warranty claims / issues please contact DandJ Precision Machine. Phone: 740-297-7223Not for sale on licensed California vehicles