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The Street Performance 6.7 Cummins Long Block is engineered for high-performance street applications, delivering up to 1000 HP while maintaining durability and reliability. Built with D&J X-Beam Stock Length Billet Rods and a Stage 1 High-Performance Cylinder Head, this long block is precision-machined, blueprinted, and balanced to handle extreme power demands. The fire-ringed cylinder head, paired with custom ARP 9/16” head studs, ensures maximum head-to-block sealing under high boost. Shipped pre-lubed with break-in oil, this long block is fully assembled and ready for installation. Manufactured by D&J Precision Machine, this engine is built to withstand the rigors of high-horsepower street and track builds.

• 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-power builds
• Fire-Ringed Cylinder Head - Machined for superior 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 & Pre-Lubed - Includes oil pan, front cover, machined rocker box, and break-in oil for seamless installation

Parts

• 90-Days

Labor

• 90-Days

• 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]Street Performance Long Block Engine | Dodge/Ram 6.7L Cummins | 2019-2020[/product_details_title][product_line]ENGINES[/product_line][product_applications]Enable[/product_applications][product_meta_keywords]Dodge, 6.7L Cummins 19-up, Engine Long Blocks & Heads, Long Blocks, Street Performance Long Block Engine Dodge/Ram 6.7L Cummins 2019-2020[/product_meta_keywords]