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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 | 2003-2005 Dodge Ram 5.9L Cummins Billet Black Powder Coat Valve Cover
$1,118.00
$1,118.00
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 | 2007.5-2018 Dodge Ram 6.7L Cummins Stage 1 Performance Reman Head
$4,474.00
$4,474.00
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 | 1998.5-2018 Dodge Ram 5.9L / 6.7L Cummins Billet Valve Bridges D&J Precision | 1998.5-2018 Dodge Ram 5.9L / 6.7L Cummins Billet Valve Bridges
$567.00
$567.00
These billet bridges are precision-machined components engineered to significantly increase rigidity in the most critical areas of your valvetrain. Compared to stock components, they are approximat...
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D&J Precision | 24V Cummins 105LB Valve Springs
$463.00
$463.00
Our 105lb 24v Cummins Valve Springs have been proven with years of testing.  *Spring retainers not included.
$171.00 Off Sold Out
D&J Precision | 2003-2005 Dodge Ram 5.9L Cummins Custom LED Billet Valve Cover *DISCONTINUED*
$1,534.00
$1,534.00
$1,705.00
Custom LED Cummins Billet Valve Cover fits 2003-2005 Cummins. Unlike the other billet valve covers on the market we designed our Custom LED Cummins Billet Valve Cover with function first. We design...
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D&J Precision | 1989-1998 Dodge Ram 5.9L 12V Cummins Push Rods 7/16 .168 Wall
$448.00
$448.00
D&J builds their Cummins pushrods for 12V engines feature a 7/16 .168 wall tube for strength and rigidity. NOTE: Does NOT Fit 1998.5 24V Engines.