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D&J Precision Machine Brand

55 products

D&J Precision Machine isn’t just a name—it’s a promise. A promise of excellence, a commitment to innovation, and a partnership in performance. Join us as we power forward into the future.

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D&J Precision | 2006-2018 Dodge Ram 5.9L / 6.7L Cummins Billet Valve Cover D&J Precision | 2006-2018 Dodge Ram 5.9L / 6.7L Cummins Billet Valve Cover
$847.00
$847.00
We designed the Billet Valve Cover in-house for the best balance of fit, finish, and functionality, while keeping your budget in mind.   These valve covers are made from aircraft quality 6061-T6 al...
D&J Precision | 2003-2018 Dodge Ram 5.9L / 6.7L Cummins Billet Timing Cover
$642.00
$642.00
Our Cummins Billet Timing cover is machined in-house from 6061 aluminum. It is designed to use factory fan with stock dampener and belt without modification. Our Cummins billet timing cover kits co...
D&J Precision | 1998.5-2018 Dodge Ram 5.9L / 6.7L Cummins 7/16 D&J Precision | 1998.5-2018 Dodge Ram 5.9L / 6.7L Cummins 7/16
$460.00
$460.00
Our 7/16″ .168 wall push rods for 24V engines have the advantage of  strength and rigidity. They have been proven to 3000+ HP and are still good for your daily driven truck. Specs of Push Rods: 7/...
D&J Precision | 2003-2005 Dodge Ram Cummins Billet Valve Cover D&J Precision | 2003-2005 Dodge Ram Cummins Billet Valve Cover
$847.00
$847.00
We designed this Cummins billet valve cover in house for the best balance of fit, finish, and functionality, while keeping your budget in mind.   These valve covers are made from aircraft quality 6...
D&J Precision | Cummins Billet Freeze Plug Kit
$270.00
$270.00
$224.00
Introducing our newly designed Cummins Freeze Plugs that do not leak! The newest design of our Billet Freeze Plugs kit do not require drilling and tapping of the block. To hold the freeze plug with...
D&J Precision | Billet Dodge Ram 5.9L Cummins Grid Heater Delete
$105.00
$105.00
Billet 5.9 Cummins Grid Heater Delete for 1998.5-2007 Dodge 5.9L Cummins Diesel. 6061 aluminum Get more airflow into your engine and avoid boost leaks. NOTE: Not recommended for cold climate...