3rd gen 5.9 2004.5- 2007
3rd gen 5.9 2004.5- 2007

3rd gen 5.9 2004.5- 2007

Discover premium performance parts for your 2004.5-2007 5.9L Cummins diesel engine. Our specialized collection features high-quality cylinder heads, billet components, and performance upgrades engineered for reliability and power. From Stage 1 Performance Heads to complete long blocks, find everything needed to maximize your Cummins engine's potential.
Discover premium performance parts for your 2004.5-2007 5.9L Cummins diesel engine. Our specialized collection features high-quality cylinder heads, billet components, and performance upgrades engineered for reliability and power. From Stage 1 Performance Heads to complete long blocks, find everything needed to maximize your Cummins engine's potential.
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  • 03-05 Dodge Cummins Billet Valve Cover03-05 Dodge Cummins Billet Valve Cover

    03-05 Dodge Cummins Billet Valve Cover

    Introducing our in-house designed 03-05 Cummins billet valve cover, balancing fit, finish, functionality, and budget.  Superior Construction Material: Made from aircraft-quality 6061-T6 aluminum for exceptional durability and strength. Fasteners: Comes with all stainless steel fasteners to ensure longevity and resistance to corrosion. Advanced Baffle...
    $608.99
    $608.99
  • Billet Valve Cover 06 to Present Raw FinishBillet Valve Cover 06 to Present Raw Finish

    Billet Valve Cover 06 to Present Raw Finish

    Billet Valve Cover 06 to Present Year Raw Finish Our Cummins Billet Valve Cover for 2006 to present year models is meticulously designed in-house to achieve the perfect balance of fit, finish, and functionality, all while keeping your budget in mind. These valve covers...
    $608.99
    $608.99
  • Billet Valve Cover 03-05 Black Powder CoatBillet Valve Cover 03-05 Black Powder Coat

    Billet Valve Cover 03-05 Black Powder Coat

     Billet Valve Cover 03-05 Black Powder Coat Our Billet Valve Cover 03-05 is meticulously designed in-house to achieve the perfect balance of fit, finish, and functionality, all while keeping your budget in mind. Made from aircraft-quality 6061-T6 aluminum, these valve covers come complete with...
    $734.99
    $734.99
  • Billet Valve Cover 2006 - Present Year Black Powder CoatBillet Valve Cover 2006 - Present Year Black Powder Coat

    Billet Valve Cover 2006 - Present Year Black Powder Coat

    Billet Valve Cover 2006 - Present Black Powder Coat Our Cummins Billet Valve Cover is meticulously designed in-house to achieve the perfect balance of fit, finish, and functionality, all while keeping your budget in mind. Made from aircraft-quality 6061-T6 aluminum, these valve covers come...
    $734.99
    $734.99
  • 5.9 COMMON RAIL CUMMINS PRECISION PLUS REMAN LONG BLOCK5.9 COMMON RAIL CUMMINS PRECISION PLUS REMAN LONG BLOCK
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    5.9 COMMON RAIL CUMMINS PRECISION PLUS REMAN LONG BLOCK

    5.9 Common Rail Cummins Precision Plus Reman Long Block Our 5.9 Common Rail Cummins Precision Plus Reman Long Blocks come fully assembled, including the oil pan and front timing cover. We use only the best products from our years of experience in the high-performance...
    From $9,633.99
    From $9,633.99
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  • 5.9 CR HP Reman Cylinder Head
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    5.9 CR HP Reman Cylinder Head

      5.9 CR HP Reman Cylinder Head   Our 5.9 CR Performance Cummins Reman Head includes essential upgrades to ensure durability and reliability, addressing common issues associated with these heads. One prevalent problem with factory and many aftermarket heads is the valve seats loosening...
    From $2,204.99
    From $2,204.99
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  • Heavy Hauler 5.9 Cummins Common Rail Long BlockHeavy Hauler 5.9 Cummins Common Rail Long Block
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    Heavy Hauler 5.9 Cummins Common Rail Long Block

    Heavy Hauler 5.9 Cummins Long Block Our Heavy Hauler 5.9 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing, along with our Stage 1 High-Performance Cylinder Head. We include a street/towing...
    $12,730.99
    $12,730.99
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  • 2003-2007 5.9 CR Stage 1 Cummins Performance Head2003-2007 5.9 CR Stage 1 Cummins Performance Head
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    2003-2007 5.9 CR Stage 1 Cummins Performance Head

    5.9 CR Stage 1 Cummins Performance Head   Our 5.9 CR Stage 1 Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake. This head includes everything in our HP Reman Head along with...
    From $3,149.99
    From $3,149.99
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  • D&J Cummins Head Gasket Kit 2003-2007 CR

    D&J Cummins Head Gasket Kit 2003-2007 CR

    Use only the best with our D&J Cummins Head Gasket kit 2007-2007 5.9 Common Rail. Includes genuine Cummins head gasket, exhaust manifold gaskets, long intake gasket air horn gasket, injector install kit with cross tube o-ring, rocker box gasket, and thermostat gasket.
    $524.99
    $524.99
  • Cummins Billet Freeze Plugs Kit

    Cummins Billet Freeze Plugs Kit

    Cummins Billet Freeze Plugs Kit Introducing our newly designed Cummins Freeze Plugs that eliminate leaks! Our Billet Freeze Plugs kit features an innovative design that requires no drilling or tapping of the block. The freeze plugs are securely held in place using two bolts...
    $194.24
    $194.24
  • Cummins 03+ Billet Rear Freeze PlugCummins 03+ Billet Rear Freeze Plug

    Cummins 03+ Billet Rear Freeze Plug

    Cummins Billet Rear Freeze Plug The Cummins Common Rail '03-to-Current Billet Rear Freeze Plug addresses the common issues associated with high coolant pressure. This plug is designed to bolt securely to the back of the block, ensuring a reliable seal and improved performance. Included:...
    $83.99
    $83.99
  • Cummins Billet Timing Cover

    Cummins Billet Timing Cover

    Cummins Billet Timing Cover Our Cummins Billet Timing Cover is expertly machined in-house from high-quality 6061 aluminum, ensuring durability and precision. This cover is designed for easy installation, allowing you to use the factory fan with the stock dampener and belt without any modifications....
    $461.99
    $461.99
  • CUMMINS 24v Heavy Duty 7/16" .168 Wall Push RodsCUMMINS 24v Heavy Duty 7/16" .168 Wall Push Rods

    CUMMINS 24v Heavy Duty 7/16" .168 Wall Push Rods

    Cummins 24v Heavy Duty 7/16" .168 Wall Push Rods   Our 7/16" .168 wall push rods for 24V Cummins engines provide unmatched strength and rigidity, making them ideal for both high-performance applications and daily driving. Proven to withstand up to 3000+ HP, these push...
    $330.74
    $330.74
  • D&J 24v Cummins Titanium RetainersD&J 24v Cummins Titanium Retainers

    D&J 24v Cummins Titanium Retainers

    D&J Precision Machine Cummins Titanium Retainers   Designed for 1998 and up 24v Cummins cylinder heads, our D&J Precision Machine Cummins Titanium Retainers are meticulously crafted in-house for superior performance. These valve spring titanium retainers are 10 grams lighter than the stock retainers, providing...
    $388.49
    $388.49
  • Cummins Billet Front Freeze Plug

    Cummins Billet Front Freeze Plug

    Cummins Billet Front Freeze Plug Introducing our newly designed Cummins Billet Front Freeze Plug that eliminates leaks! This innovative front freeze plug is designed to be securely held in place by a factory fan support, ensuring a reliable and leak-free performance. Included: 1 Front...
    $52.49
    $52.49
  • Cummins Billet Side Freeze Plug

    Cummins Billet Side Freeze Plug

    Cummins Billet Side Freeze Plug Introducing our newly designed Cummins Billet Side Freeze Plug that eliminates leaks! Our innovative design requires no drilling or tapping of the block. This side freeze plug is securely held in place using two bolts with O-ring seals and...
    $52.49
    $52.49
  • 2003-2007 5.9 COMMON RAIL D&J HP REMAN BLOCK2003-2007 5.9 COMMON RAIL D&J HP REMAN BLOCK

    2003-2007 5.9 COMMON RAIL D&J HP REMAN BLOCK

    D&J 5.9 Common Rail HP Reman Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the D&J...
    $944.99
    $944.99
  • Billet Air Shut Off Guillotine
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    Billet Air Shut Off Guillotine

    Billet Air Shut-Off Guillotine   Our Billet Air Shut-Off Guillotine is designed for high-performance applications, providing reliable performance, durability, and enhanced safety. Featuring a dual internal spring design and a 1/4-inch thick aluminum blade, this setup ensures efficient air shut-off when needed. It includes...
    $603.74
    $603.74
    More sizes available
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  • Waterman Mechanical Lift Pump KitWaterman Mechanical Lift Pump Kit

    Waterman Mechanical Lift Pump Kit

    Billet Direct Drive Mechanical Lift Pump Kit Say goodbye to the complications of dual electric lift pumps. Our Billet Direct Drive Mechanical Lift Pump Kit offers a streamlined solution with a robust 300GPH capacity, proven to support over 2200hp on one of our D&J...
    $1,784.99
    $1,784.99
  • 9/16x6.5 Inch Head Stud Kit

    9/16x6.5 Inch Head Stud Kit

    D&J Precision Machine 9/16x6.5" Head Stud Kit   Our 9/16x6.5" head stud kit is designed and manufactured for ultimate performance and reliability. Custom made by ARP, these head studs are complemented by nuts and washers machined by us to ensure proper clearance for the...
    $1,207.49
    $1,207.49

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