ENGINE PARTS

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...

Cummins Billet Freeze Plugs Kit Introducing our newly designed Cummins Freeze Plugs that eliminate leaks! Our Billet Freeze Plugs kit features an innovative design that requires no drilling or tapping of the block. The freeze plugs are securely held in place using two bolts...

Introducing our in-house designed 03-05 Cummins billet valve cover, balancing fit, finish, functionality, and budget.  Superior Construction Material: Made from aircraft-quality 6061-T6 aluminum for exceptional durability and strength. Fasteners: Comes with all stainless steel fasteners to ensure longevity and resistance to corrosion. Advanced Baffle...

Billet Valve Cover 2006 - Present Black Powder Coat Our Cummins Billet Valve Cover 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...

Cummins Billet Timing Cover Our Cummins Billet Timing Cover is expertly machined in-house from high-quality 6061 aluminum, ensuring durability and precision. This cover is designed for easy installation, allowing you to use the factory fan with the stock dampener and belt without any modifications....

 Billet 5.9 Cummins Grid Heater Delete    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...

Use only the best with our D&J Cummins Head Gasket kit 2007.5-2018 6.7 Includes genuine Cummins head gasket, exhaust manifold gaskets, long intake gasket air horn gasket, injector install kit with cross tube o-ring, rocker box gasket, and thermostat gasket.

Cummins Billet Front Freeze Plug Introducing our newly designed Cummins Billet Front Freeze Plug that eliminates leaks! This innovative front freeze plug is designed to be securely held in place by a factory fan support, ensuring a reliable and leak-free performance. Included: 1 Front...

Cummins Billet Rear Freeze Plug The Cummins Common Rail '03-to-Current Billet Rear Freeze Plug addresses the common issues associated with high coolant pressure. This plug is designed to bolt securely to the back of the block, ensuring a reliable seal and improved performance. Included:...

Cummins 24v Heavy Duty 7/16" .168 Wall Push Rods   Our 7/16" .168 wall push rods for 24V Cummins engines provide unmatched strength and rigidity, making them ideal for both high-performance applications and daily driving. Proven to withstand up to 3000+ HP, these push...

Cummins Billet Side Freeze Plug Introducing our newly designed Cummins Billet Side Freeze Plug that eliminates leaks! Our innovative design requires no drilling or tapping of the block. This side freeze plug is securely held in place using two bolts with O-ring seals and...

 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...

The Strongest Billet Cummins Rods On The Market   Our stock length X-BEAM Billet Cummins Rods are proven to withstand over 3000hp and 4000 lb/ft. We design these rods with our unique "X" profile to maximize strength while reducing weight. Made from extreme high...

  5.9 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 wrist pins...

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

D&J 5.9 Common Rail 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...

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...

D&J 2007.5-2018 6.7 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...

Use only the best with our D&J Cummins Head Gasket Kit 5.9 VP44 1998-2002 Includes a head gasket, exhaust manifold gaskets, long intake gasket, air horn gaskets, injector install kit with cross tube o-ring, and thermostat gasket.

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...