Products

D&J Precision Machine 6.7 Cummins Tool Steel Wrist Pins   D&J Precision Machine manufactures our tool steel wrist pins in-house at our facility in the United States, using the highest quality materials. Leveraging years of experience in high-performance diesel technology, we have designed these...

6.7 Cummins Essentials Reman Long Block Overview The Essentials Reman Long Block is designed to provide reliable and efficient performance for your diesel engine needs. Built with precision and care, this remanufactured engine is perfect for those seeking quality and affordability. Key Features Comprehensive...

6.7 Fire ring Head Gasket Set With 4.305" x .105"  Fire Rings 

Stage 3 6.7L Cummins Performance Head Our Stage 3 Cummins Performance Head is designed for extreme high performance. It includes everything in our Stage 2 Cummins Performance Head, along with a D&J Stage 3 Billet Intake Manifold, oversize super alloy intake and exhaust valves,...

Stage 4 6.7L Cummins Performance Head Our Stage 4 Cummins Performance Head is designed for extreme high performance. It includes everything in our Stage 3 Head, along with a D&J Stage 4 Billet Runner Style Intake Manifold. This head can only be used with...

D&J 12v HP Reman Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the D&J HP Reman...

D&J Precision Machine 9/16x6.5" Head Stud Kit   Our 9/16x6.5" head stud kit is designed and manufactured for ultimate performance and reliability. Custom made by ARP, these head studs are complemented by nuts and washers machined by us to ensure proper clearance for the...

D&J 24v VP44 HP Reman Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the D&J HP...

 Billet 5.9 Cummins Grid Heater Replacement   Our Billet 5.9 Cummins Grid Heater Delete is designed to optimize airflow into your engine and prevent boost leaks, enhancing overall performance for your 1998.5-2007 Dodge 5.9L Cummins Diesel. Key Features: Premium Material: Made from high-quality 6061...

The 5 Axis Intake Horn fits a 6.7 intake and can have a 3.5" or 4" vibrant clamp welded onto it. It does not have an oil dipstick relocation bracket. It will work in factory pickup, but will need some custom fabrication to make...

Billet Air Shut-Off Guillotine   Our Billet Air Shut-Off Guillotine is designed for high-performance applications, providing reliable performance, durability, and enhanced safety. Featuring a dual internal spring design and a 1/4-inch thick aluminum blade, this setup ensures efficient air shut-off when needed. It includes...

Billet Turbo Drain -10AN Our Billet Turbo Drain -10AN is designed and machined in-house to provide a reliable and versatile solution for your turbo drain needs. This component utilizes an O-ring seal to ensure easy installation and a leak-free connection, allowing you to use...

Billet Stage 2 Intake Manifold   The Billet Stage 2 Intake Manifold is specifically designed for our Stage 2 cylinder heads. It is available with either 5.9 intake and fuel setups or 6.7 intake and fuel setups. These intakes utilize the stock intake horn...

Billet Stage 2 P-Pump Intake Manifold The Billet Stage 2 P-Pump Intake Manifold is specifically designed to fit on our 24v cylinder head, providing a seamless integration with your engine setup. This intake manifold is compatible with all P-Pumps and VP-44 injection pumps and...

P-Pump Cummins Billet Tappet Cover with Dual Baffled Breather Setup  Upgrade your engine's appearance with our premium P-Pump Cummins billet tappet cover. Crafted from high-quality billet aluminum, this tappet cover is designed for durability and enhanced aesthetics. The dual baffled breather setup minimizes oil...

 Billet Valve Cover 03-05 Black Powder Coat Our Billet Valve Cover 03-05 is meticulously designed in-house to achieve the perfect balance of fit, finish, and functionality, all while keeping your budget in mind. Made from aircraft-quality 6061-T6 aluminum, these valve covers come complete with...

Billet Valve Cover 06 to Present Year Raw Finish Our Cummins Billet Valve Cover for 2006 to present year models is meticulously designed in-house to achieve the perfect balance of fit, finish, and functionality, all while keeping your budget in mind. These valve covers...