Have A Quick Question? Text Us! (915)-895-3833 *Emailing may be required*

Baja Designs In Stock Ready To Ship!

S&S DCR Kits & DPK Kits In Stock!

Big Bang Injectors In Stock!

D&J Precision Machine Brand

57 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.

Brand Show all Brand
Product Type Show all Product Type
Price
  • -
Show all Price
D&J Precision | 1998.5-2002 24V Cummins VP44 Stage 1 Performance Reman Head
$3,149.99
$3,149.99
Our ISB Stage 1 24v Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake.  Our ISB Stage 1 Cummins Performance Head includes e...
D&J Precision | 1998.5-2002 24V Cummins VP44 Stage 2 Performance Reman Head
$5,669.99
$5,669.99
Our Stage 2 Cummins Performance Head is designed for the performance enthusiast.  Includes everything in our Stage 1 Cummins Performance Head and a D&J Stage 2 Billet Intake Manifold, thread in...
D&J Precision | 2003+ Dodge Ram Cummins Stage 2 Performance Reman Head
$5,669.99
$5,669.99
Our Stage 2 Cummins Performance Head is designed for the performance enthusiast.  Includes everything in our Stage 1 Cummins Performance Head and a D&J Stage 2 Billet Intake Manifold, thread in...
D&J Precision | 2003+ Cummins Billet Rear Freeze Plug
$83.99
$83.99
The Cummins common rail ’03-to-current billet rear freeze plug takes care of the common issues of high coolant pressure. It bolts in the back of the block.  
D&J Precision | 2003-2007 Dodge Ram 5.9L Cummins Stage 1 Performance Reman Head
$3,149.99
$3,149.99
Our CR Stage 1 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 everythi...
Sold Out
D&J Precision | 2006-2018 Dodge Ram Cummins Custom LED Billet Valve Cover
$1,199.99
$1,199.99
Custom LED Cummins Billet Valve Cover fits 2006+ Cummins. Unlike the other billet valve covers on the market we designed our Custom LED Cummins Billet Valve Cover with function first. We designed ...