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D&J Precision Machine

59 products
Regular Price $112.50
Sale Price $112.50
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0.500″ Taller Billet 5.9 Cummins Grid Heater Delete suited for 1998.5-2007 Dodge 5.9L Cummins Diesel. Extra clearance Billet aluminum Get more airflow into your engine and avoid boost leaks. ...
Regular Price $1,650.00
Sale Price $1,650.00
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Our 12v Performance Cummins Reman Head has all the necessary upgrades to make your head durable and reliable. You’re given the option to use your own head or one of our head cores Head is disas...
Regular Price $226.23
Sale Price $226.23
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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...
Regular Price $5,380.00
Sale Price $5,380.00
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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...
Regular Price $2,100.00
Sale Price $2,100.00
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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...
Regular Price $2,900.00
Sale Price $2,900.00
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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...