Product Description
S&S Diesel RAM-CP3-10HS 10MM HS CP3 Conversion Kit is a competition-use-only upgrade engineered for the 2019–2020 Ram 2500/3500 with the 6.7L Cummins 24V. Built on a brand-new Bosch CP3NH base and overdriven for high-RPM fueling, this kit replaces the factory CP4.2 with a durable, high-speed CP3 that’s proven in competition.
Fitment
- 2019–2020 Ram 2500/3500, 6.7L Cummins 24V
- Designed as a direct CP4.2-to-CP3 conversion for these model years
- Competition Use Only
What’s Included
- Brand-new latest-generation Bosch CP3NH base pump, S&S 10mm HS spec
- Proprietary S&S drive gear and pilot preinstalled on CP3
- Overdrive architecture: pump driven at ~1.5× engine RPM for high-speed fueling
- OE-quality injection-molded ECU mount
- OE-style quick-connect fittings and braided supply line
- Autofrettaged high-pressure fuel line
- S&S CP3 data sheet
Recommended Parts (Internal Links)
- 2019–2020 Ram 6.7L Fuel System Category
- S&S Diesel Brand Page
- Lift Pumps (FASS/AirDog) – support supply for high-demand builds
- Fuel Filters & Filtration Upgrades
- 2019–2020 Ram 6.7L Engine Components
Why Buy From CPP Diesel
- Diesel specialists with competition-grade build guidance
- Fast shipping and careful packaging
- Real human support for Ram Cummins fueling upgrades
The 10mm HS pump is a high-speed, competition-focused configuration and may require calibration changes depending on your injector size, turbo airflow, and power goals. For street-legal “no tune” swaps, see non-HS alternatives in our 2019–2020 Ram fuel system category.
Is this kit emissions legal?
No. This product is labeled Competition Use Only and is not legal for sale or use on pollution-controlled vehicles on public roads. Track/off-road use only.
Will it fit Cab & Chassis models?
This kit is engineered for 2019–2020 Ram 2500/3500 pickup applications. If you have a C&C truck, contact us before ordering to confirm compatibility.
Do I need an upgraded lift pump?
A quality lift pump and proper filtration are strongly recommended to maintain supply pressure and fuel quality for high-demand builds. See our Lift Pumps.
What about cores or exchanges?
This kit uses a brand-new CP3NH-based pump—no core charge. Always review the product page for any updates to policies before purchase.
