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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!
Regular price $525.00
Sale price $525.00
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Use only the best with our D&J Cummins Head Gasket kit 2007.5-2018 6.7 Includes genuine Cummins head gasket, exhaust manifold gaskets, long intake gasket air horn gasket, injector install kit w...
Regular price $321.00
Sale price $321.00
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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 $164.00
Sale price $164.00
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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 $2,979.00
Sale price $2,979.00
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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 $993.00
Sale price $993.00
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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...
Regular price $823.00
Sale price $823.00
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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...