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 DandJ 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 Inch 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 DandJ Precision Machine, this engine is the ultimate solution for street-driven, high-performance Cummins builds.

Warranty:

Parts

90-Days

Labor

90-Days

Note:
Not for sale on licensed California vehicles

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 - 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 and Pre-Lubed - Includes oil pan, front cover, rocker box, and break-in oil for seamless installation