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D&J Precision Machine Brand

56 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 | 2003+ Dodge Ram Cummins Performance Reman Head
$3,220.00
$3,220.00
Our 24v Performance Cummins Reman Head has all the necessary upgrades to make your head durable and reliable.  We have fixed all the common issues these heads have.  One of the most common prob...
D&J Precision | 2003-2005 Dodge Ram 5.9L Cummins Billet Black Powder Coat Valve Cover
$1,074.00
$1,074.00
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 | 2006-2018 Dodge Ram Cummins Black Powder Coat Billet Valve Cover
$1,074.00
$1,074.00
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 | 2007.5-2018 Dodge Ram 6.7L Cummins Stage 1 Performance Reman Head
$6,061.00
$6,061.00
Our Stage 1 24v Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake.  Our Stage 1 Cummins Performance Head includes everythin...
D&J Precision | 24V Cummins Titanium Retainers
$568.00
$568.00
D&J Precision Machine Cummins Titanium Retainers for 1998 and up 24v Cummins cylinder heads. Our valve spring titanium retainers are proudly made in-house and they are 10 grams lighter than the...
D&J Precision | Cummins Billet Side Freeze Plug
$81.00
$81.00
Introducing our newly designed Cummins Billet Side Freeze Plug that does not leak! The newest side freeze plug design that we have created does not require drilling and tapping of the block! We hav...