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...

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....

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...

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 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 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:...

Interstate Mcbee 5.9 Cummins Intake Horn Gasket. SOLD IN SETS OF 2  

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...

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

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...

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 wrist...

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.

Use only the best with our D&J Cummins Head Gasket kit 2007-2007 5.9 Common Rail. 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.

 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...

5.9 Common Rail Head Gasket set with 4.305" x .105" 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...

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...

Use only the best with our D&J Cummins Head Gasket Kit 1989-1998 5.9L 12V. Includes A head gasket, exhaust manifold gaskets, long intake gasket, air horn gaskets, injector install kit, and valve cover gaskets.