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

Actuator Codes? Call Us Before You Purchase For Some Important Information!

S&S DCR Kits & DPK Kits In Stock!

Big Bang Injectors In Stock!

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.

Brand Show all Brand
Product Type Show all Product Type
D&J Precision | Cummins Billet Side Freeze Plug
$79.00
$79.00
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...
D&J Precision | Billet Air Kill 5.5 Inch OD Cover
$862.00
$862.00
Billet Air Shut Off Guillotine for sled pulling applications. Dual internal spring design utilizing a 1/4in thick aluminum blade. Includes set screw or weld-on flange and genuine Cummins v-band. In...
D&J Precision | 1989-1998 Dodge Ram 5.9L 12V Cummins Head Gasket Kit
$345.00
$345.00
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 with cros...
D&J Precision | 2003-2007 Dodge Ram 5.9L Cummins Head Gasket Kit
$750.00
$750.00
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 in...
D&J Precision | 2003+ Dodge Ram Cummins Performance Reman Head
$3,146.00
$3,146.00
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
$1,049.00
$1,049.00
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...