Product Description
Industrial Injection PDM-59RHC Dodge Race Head — Stage 2 (03–07 5.9L Cummins)
Built for serious competition. The Industrial Injection PDM-59RHC Stage 2 Race Head is fully CNC-ported, hand-blended, assembled, and ready to bolt on. It’s engineered for high boost, high RPM abuse in dedicated sled pull and race applications.
- Fully CNC-Ported on a 5-axis machine, then hand-blended for equalized port flow and easier tuning.
- Competition Assembly with upgraded stainless valves, performance springs, hardened guides & seats.
- Intake Runner Milled to accept a ZZ-Fab–style intake (intake sold separately).
- Fire-ring ready head option and gasket pairing recommended for big boost/clamp loads.
- Competition Use Only: not legal for on-road, off-road, or dual-use—dedicated competition vehicles only.
Critical Fitment Note
Although marketed for 2003–2007 5.9L Cummins applications, this Stage 2 race head uses larger valves that will not clear a stock 5.9L bore. Your build must have at least a 4.125" bore (big-bore 6.4/6.7L style) for valve clearance.
Vehicle Fitment
- 2003–2007 Dodge Ram 2500/3500, 5.9L Cummins (common rail, 24-valve) — competition builds meeting the bore note above.
What’s Included
- Assembled cylinder head (CNC-ported, valves/springs/guides/seats installed)
Recommended Supporting Parts
- ARP 247-4202 Head Stud Kit — proven clamp load for 5.9/6.7 builds.
- ARP 247-4204 625+ Head Stud Kit — extra margin for extreme cylinder pressure.
- Industrial Injection Fire-Ring Head Gasket Kit (03–07) — pairs with fire-ringed heads.
- CPP 24V Fire-Ring Head Gasket Set (03–07).
- Industrial Injection Stage 2 Camshaft (PDM-007HP).
- High-Flow Intake Kit (03–07 5.9L) — support airflow into the ported head.
- S&S Diesel Motorsport Injectors (Late 5.9) — sized to your power goals.
Specs & Compliance
| Specification | Detail |
|---|---|
| Brand | Industrial Injection |
| Part Number | PDM-59RHC |
| Fitment | 2003–2007 Dodge Ram 2500/3500 5.9L Cummins (CR, 24V) — competition builds meeting bore requirement |
| Valve/Bore Note | Requires ≥ 4.125" bore; will not clear a stock 5.9L bore |
| UPC | 840256914870 |
| GTIN | 00840256914870 |
| Proposition 65 | WARNING: Cancer and reproductive harm — see P65Warnings.ca.gov |
UPC published by Industrial Injection for PDM-59RHC; fitment and clearance notes per manufacturer & CPP listing.
FAQs
Will this bolt onto my stock 5.9L bore?
No. The larger valves require at least a 4.125" bore (big-bore build). It will not clear a stock 5.9 bore.
Do I need head studs and a fire-ring gasket?
For high boost/competition use, yes—pair this head with ARP studs and a fire-ring head gasket kit for sealing margin.
Is this legal for street use?
No. Industrial Injection labels this as dedicated competition use only.
Shop More For Your Truck
Browse all 2003–2007 5.9L Cummins parts to complete your build.
