D&J Precision Machine Brand

54 products
D&J Precision Machine • Diesel Performance Machining & Manufacturing The EXECUTIONER - D&J Precision Machine Featured Catalog New Products Crate Engines Cylinder Heads Custom Pistons Billet Rods Apparel Services D&J HP Reman Engines!
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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
$822.00
$822.00
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
$624.00
$624.00
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
$447.00
$447.00
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 | Cummins Billet Freeze Plug Kit
$263.00
$263.00
$217.00
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 | Cummins Billet Front Freeze Plug
$78.00
$78.00
Introducing our newly designed Cummins Billet Front Freeze Plug that does not leak! Our billet front freeze plug is designed to be held in by a factory fan support. Included: 1 Front Billet Fre...
D&J Precision | Billet Air Kill 5.5 Inch OD Cover
$815.00
$815.00
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...