Overview
The Street Performance 6.7 Cummins Common Rail Long Block is built for high-performance street and track applications, rated for up to 1000 HP. Featuring D&J X-Beam Stock Length Billet Rods and a Stage 1 High-Performance Cylinder Head, this engine is precision-machined, fully blueprinted, and assembled with premium components. The fire-ringed cylinder head and custom ARP 9/16” head studs ensure maximum sealing strength for high-boost applications. Shipped pre-lubed with break-in oil, this long block is engineered for durability, power, and reliability. Manufactured by D&J Precision Machine, this engine is the ultimate solution for street-driven, high-performance Cummins builds.
FEATURES
- Rated for up to 1000 HP - Engineered for high-performance street and competition applications. High-horsepower tuning is not recommended for heavy towing.
- D&J X-Beam Stock Length Billet Rods - Provides exceptional strength for high-horsepower applications
- Fire-Ringed Cylinder Head - Ensures superior head-to-block sealing under extreme boost
- Stage 1 High-Performance Cylinder Head - 5-axis CNC ported with HD bronze valve guides and oversized intake/exhaust seats for maximum airflow
- Fully Assembled & Pre-Lubed - Includes oil pan, front cover, rocker box, and break-in oil for seamless installation
Warranty
Parts
Labor