S&S 03-18 Dodge Ram High Pressure Pumps
S&S 03-18 Dodge Ram High Pressure Pumps
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Cummins CP3 Injection Pump Horsepower Ratings
Fuel supply is the backbone of any high-horsepower Cummins build. These CP3 injection pumps are engineered to deliver consistent rail pressure, clean fueling, and reliable performance from mild street trucks to extreme race applications.
Cummins SuperSport CP3
Horsepower Support: ~600–700 HP
Ideal upgrade over a stock CP3. Great for daily-driven and tow-focused trucks running mild injectors and a single upgraded turbo.
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Excellent drivability
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Strong rail pressure under load
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Tow & street friendly
Cummins 10mm CP3
Horsepower Support: ~750–850 HP
A solid step up for performance street builds. Works well with moderate injectors and upgraded turbo setups.
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Strong fueling increase over stock
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Minimal low-RPM sacrifice
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Great daily / street performance option
Cummins 10mm High Speed CP3
Horsepower Support: ~850–950 HP
Designed to maintain rail pressure at higher RPM. Ideal for trucks that live in the upper powerband.
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Better high-RPM fueling than standard 10mm
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Excellent for aggressive street or light competition builds
Cummins 12mm CP3
Horsepower Support: ~950–1,050 HP
A serious fueling upgrade. Best suited for performance-focused trucks with large single or compound turbos.
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Significant fuel volume increase
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Requires proper tuning and fuel supply upgrades
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Limited towing capability
Cummins 12mm High Speed CP3
Horsepower Support: ~1,050–1,150 HP
Built to support high horsepower without pressure drop at elevated RPM.
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Excellent for compounds
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Strong top-end fueling
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Competition-capable street setups
Cummins 14mm CP3
Horsepower Support: ~1,200–1,300 HP
Extreme fuel output designed for race-oriented trucks.
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Massive fueling capability
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Not daily-driver friendly
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Supporting mods required
Cummins 14mm High Speed CP3
Horsepower Support: ~1,350–1,500+ HP
Maximum-output CP3 for no-compromise race builds.
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Maintains rail pressure at extreme RPM
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Designed for high-boost compound or triple turbo setups
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Race use only
⚠️ Important Notes
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Horsepower ratings depend on injector size, turbo setup, tuning quality, and fuel supply
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Larger CP3s require upgraded lift pumps, lines, and filtration
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Not all pumps are suitable for towing or daily driving
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If you’re unsure which pump fits your goals, contact us before ordering
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FAQ
How long does shipping take?
Most products ship in 3–7 days. Some will take longer. If a product needs more time, it will say so on its product page.
How do I know if a product fits my truck?
Each product page lists the year, make, and model it fits.
If you’re unsure, you can message us through our website, email, or Facebook, and we’ll confirm fitment for you.
Do you offer installation?
Yes. PSC Automotive & Diesel Repair installs everything we sell.
Call or message us to schedule an appointment.
What is your return policy?
- Returns accepted on new, unused items.
Some items are subject to a restocking fee, depending on the manufacturer.
Electrical parts, tuners, and custom-built items are non-returnable.
Full details are on our Refunds page.
What is your warranty policy?
Our warranty matches the manufacturer’s warranty.
If a part fails or has a defect, we will work with the manufacturer to get it replaced.
We do not warranty parts that were:
Installed incorrectly
Damaged by lack of maintenance
Removed or messed with after installation
Installed by another shop after we installed it
Full warranty details are on our Warranty page.
Will I get tracking information?
Yes. Tracking is emailed to you as soon as your order ships.
Check your spam folder if you don’t see it.
Do you offer customer support?
Yes! You can contact us anytime at:
Website chat
Email
Phone
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We reply quickly during business hours.