Product Description
S&S Diesel RAM-CP3-14HS 14mm CP4-to-CP3 Conversion Kit — 2019–2020 Ram 2500/3500 6.7L Cummins
For maximum fueling and competition-level reliability. The S&S Diesel Motorsport RAM-CP3-14HS replaces the factory CP4.2 with a brand-new Bosch CP3NH-based 14mm High-Speed CP3 and OE-grade hardware. With S&S pre-installed proprietary gear and pilot, this kit is designed for extreme performance in 2019–2020 6.7L Cummins-powered Rams.
- Brand-new CP3NH-based 14mm High-Speed CP3 (not reman).
- Proprietary drive gear & pilot pre-installed for a drop-in install.
- OE-quality ECU mount with injection-molded construction.
- OE-style quick-connect fittings & braided supply line.
- Autofrettaged high-pressure fuel line included.
- CP3 data sheet provided.
Fitment
2019–2020 Ram 2500/3500 with 6.7L Cummins (SO & HO). The 14mm HS CP3 is designed for competition applications only and requires custom tuning.
What’s Included
- S&S 14mm HS CP3 pump (RAM-CP3-14HS)
- Proprietary drive gear & pilot (pre-installed)
- OE-grade ECU mount
- OE-style quick-connect fittings & braided supply line
- Autofrettaged high-pressure line
- Documentation / CP3 data sheet
Recommended Supporting Parts
- 2019–2024 Cummins CP3 Conversion & Pumps
- 2019–2024 Cummins Fuel System Upgrades
- Fleece Under-Bed Fuel Filter Assembly (19–24)
- Shop All S&S Diesel at CPP
Installation & Notes
- Professional installation and competition-level tuning are required for the 14mm HS pump.
- Not emissions-compliant for street use. Intended for race applications only.
FAQ
Do I need tuning with the 14mm HS CP3?Yes—this pump requires custom tuning for proper operation and to maximize performance.
Is the 14mm HS CP3 emissions compliant?No—this kit is for off-road and competition use only and is not emissions compliant.
Will this kit fit both SO and HO 6.7L Cummins?Yes, it is designed for all 2019–2020 Ram 2500/3500 6.7L Cummins applications.