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D&J Precision Machine Brand

63 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 Custom LED Billet Valve Cover *DISCONTINUED*
$1,079.99
$1,079.99
$1,199.99
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
$314.99
$314.99
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.
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D&J Precision | Billet Air Kill & Velocity Stack 5.5 Inch OD Cover
$799.99
$799.99
Billet Air Shut Off Guillotine with Velocity Stack for sled pulling applications. Dual internal spring design utilizing a 1/4 inch thick aluminum blade. It includes set screw or weld-on flange and ...
D&J Precision | Billet Stage 2 6.7L CR Cummins Intake Manifolds
$1,135.99
$1,135.99
The Billet Stage 2 Intake Manifold is designed for our Stage 2 cylinder heads. These intakes utilize the stock intake horn locations and fuel setups.  It comes with all the mounting hardware needed...
D&J PRECISION | 2007.5-2018 DODGE RAM 6.7 CUMMINS PERFORMANCE SERIES BLOCK
$3,989.99
$3,989.99
D&J Precision Machine understands value, and that some of our customers may enjoy rebuilding their own engines. With that in mind, we present a budget-friendly alternative to our full in-house...
D&J Precision | 1998.5-2002 Dodge Ram 5.9L ISB Cummins Head Gasket Kit
$241.49
$241.49
Use only the best with our  D&J  Cummins Head Gasket Kit 5.9 ISB 1998-2002 Includes a head gasket, exhaust manifold gaskets, long intake gasket, air horn gaskets, injector install kit with cros...