Product Description
Build your own 5.9L short block—done right. The INDUSTRIAL INJECTION Stock Builder Box for the late 5.9L Cummins (2004.5–2007) ships as a fully machined and blueprinted DIY short block package with matched rotating assembly and new OE-quality wear parts. Save shop labor while keeping pro-level tolerances and reliability.
Fitment
- 2004.5–2007 Dodge Ram 2500/3500 5.9L Cummins (Common Rail)
What’s Included
- Machined block (plateau-honed with torque plate, to blueprint spec)
- Machine-balanced crankshaft
- Machine-balanced stock rods
- Machine-balanced stock pistons & wrist pins with rings
- Stock camshaft
- New main & rod bearings
- New cam bearings
- New Cummins oil cooler
- New Cummins oil pump
- New Cummins tappets
- New Cummins lower engine gasket kit
Notes: This is an unassembled short block (no fuel or turbo components). Use Joe Gibbs break-in oil for the first 300–500 miles. A refundable core charge may apply (block, crank, rods, cam, crate).
Recommended Parts (CPP Internal Links)
- ARP 247-4202 Head Stud Kit (5.9/6.7 Cummins)
- MAHLE CS54556 Lower Engine Gasket Set (03–07 5.9L) or Cummins 4089173 OEM Lower Kit
- Cummins 3959031 Oil Cooler (03–07 5.9L)
- CPP 3949692 Oil Pickup Tube (03–07)
- CP3 Injection Pumps & Components (03–07)
- Cam Bearings & Valvetrain (03–07)
Cross-Reference / Alternatives
Helpful Notes
- Measure and verify all clearances (bearing, piston-to-wall, ring end gaps) during assembly.
- We recommend head studs and fresh gaskets/seals with any bottom-end refresh.
FAQ
Is this a complete engine?No. It’s an unassembled short block kit. You will reuse or source your cylinder head, fuel system, turbo system, and external accessories.
What machine work has been performed?The block is plateau-honed with a torque plate and blueprinted; the crank, rods, and pistons/rings are balanced as a matched rotating assembly.
Are gaskets and bearings included?Yes—new main/rod/cam bearings are included along with a new lower engine gasket set as listed above.
Do I need to send cores?Yes, a core program typically applies (block, crank, rods, cam, crate). Return cores per instructions after your build is complete.
