Product Description
Unlock reliable 125 HP gains on your 2007.5–2012 Ram 2500/3500 6.7L Cummins with Industrial Injection’s R2 (41% over) extrude-honed injector nozzles. Each set is balanced and matched for smooth fueling and crisp atomization.
Fitment
- 2007.5–2012 Ram 2500/3500 — 6.7L Cummins (Bosch common-rail)
- Direct-fit replacement nozzles (set of 6)
Why These Nozzles
- ~125 HP increase (R2 / ~41% over stock)
- Extrude-honed for consistent, balanced flow
- Built from new OE-supplier components, then calibrated
Recommended Parts (CPP Internal Links Only)
- Industrial Injection parts
- CP3 fuel pumps & upgrades (performance CP3 strongly recommended for R2/R3 builds)
- Lift pump kits (AirDog/FASS) to maintain supply pressure
- 6.7L Cummins tuning for optimal fueling/rail pressure
Cross-Reference / Alternatives (MBRP-only not applicable; CPP internal links)
Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | 0433172145-R2 |
| Engine | 6.7L Cummins (2007.5–2012) |
| Configuration | Set of 6 nozzles |
| Flow Increase | ~41% over stock (≈38 LPM class) |
| Estimated Gain | ~125 HP |
| Fuel System | Bosch common-rail |
| CP3 Requirement | Performance CP3 strongly recommended for R2/R3 |
| UPC | Not published by manufacturer |
| Emissions | Competition-use only; not legal for on-road vehicles |
Yes—R2 (~125 HP) nozzles can out-flow a stock pump. A performance CP3 and appropriate tuning are strongly recommended for safe rail pressure and smoke control.
Will these fit my 2010 Ram 6.7L?Yes, they fit 2007.5–2012 6.7L Cummins common-rail applications.
What else should I upgrade?A quality lift pump, fresh fuel filter(s), and monitoring (rail pressure/EGT) are recommended. Head studs are smart insurance at higher power levels.
Are these street legal?No. These performance nozzles are intended for closed-course competition only and are not legal for use on pollution-controlled vehicles on public roads.
Installation by a qualified diesel shop is recommended. Always verify rail pressure and injector balance rates after installation.
