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Add towing-friendly fuel without turning the stock turbo into a mismatch
This matched set targets a 50 RWHP increase for stock or mildly modified 24-valve Cummins trucks and supports roughly 350 to 375 horsepower with the required supporting parts. ISB-50 uses current seven-hole SAC nozzles and a 290-bar pop pressure.
Key Features
- ISB-50 matched set of six new injectors
- Approximate 50 RWHP increase over stock
- Fuel capacity for roughly 350 to 375 horsepower with supporting modifications
- Seven-hole SAC nozzle with patented pilot-hole technology
- 290-bar pop pressure
- Recommended for heavy towing and stock-turbo combinations
- No core charge
Fitment
| Years | Make | Model | Verified Application and Notes |
|---|---|---|---|
| 1998.5-2002 | Dodge | Ram 2500 | 5.9L Cummins 24-valve with VP44 pump |
| 1998.5-2002 | Dodge | Ram 3500 | 5.9L Cummins 24-valve with VP44 pump |
| Excluded | Dodge | P-pump conversion | Manufacturer does not recommend this injector set |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | ISB-50 |
| Injector Count | Six |
| Condition | New |
| Advertised Gain | Approximately 50 RWHP |
| Supported Power Range | Approximately 350 to 375 horsepower with supporting modifications |
| Nozzle | Seven-hole SAC |
| Pop Pressure | 290 bar |
| Core Charge | None |
| Warranty | Four years under current manufacturer schedule |
What's Included
- One matched set of six ISB-50 fuel injectors
- No installation kit or connector tubes are stated as included
- No return core is required
About Dynomite Diesel Products
Dynomite Diesel Products develops and calibrates diesel fuel injectors for stock, towing, street, and competition applications. Its current product data separates injector power gain from total supported engine output so the fuel system can be matched to the turbo and tuning package.
Related Parts
- New connector tubes if inspection shows wear or contamination
- Fuel filter and supply-system service parts
- Boost elbow or boost-control support recommended for the factory turbo where applicable
FAQ
What is the ISB-50?It is a matched set of six new 50 RWHP injectors for supported 5.9L Cummins 24-valve VP44 trucks.
Does 50 HP mean the engine's total power?No. It describes the approximate gain over stock; the current manufacturer data rates the set for roughly 350 to 375 total horsepower with supporting modifications.
How many injectors are included?Six matched injectors are included.
Is there a core charge?No core charge applies to this new injector set.
Will it work with a P-pump conversion?Dynomite Diesel does not recommend this set for P-pump conversion vehicles.
Is it suitable for towing?Yes. The manufacturer recommends it for heavy towing and stock or mildly modified trucks with a stock turbo.
Are connector tubes included?No exact source states that connector tubes or a separate installation kit are included.
What warranty applies?The current manufacturer schedule lists four years, subject to contamination, installation, overheating, modification, and tampering exclusions.
Installation Instructions
- Confirm the package identifies ISB-50 and contains six matched new injectors.
- Diagnose the fuel system first and correct contamination, supply-pressure, or VP44 issues before installation.
- Disconnect batteries, clean the work area, and follow the current Cummins and Dynomite Diesel service procedures.
- Remove the valve cover, injector lines, connector tubes, and original injectors without introducing debris.
- Inspect connector tubes and sealing surfaces; replace worn or contaminated supporting parts rather than reusing them.
- Install the injectors and connector tubes with the specified orientation, sequence, and torque values.
- Prime the fuel system, check for leaks, and verify smooth operation before applying load.
- Confirm tuning, boost control, exhaust-gas temperature, and fuel supply are appropriate for the intended towing or performance use.
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
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