S&S Modified 12mm CP3 Injection Pump - Common Rail 5.9L & 6.7L Cummins

• Manufacturer: S&S Diesel
• Fitment Notes:
  • Recommended for 5.9L & 6.7L Cummins applications
  • Supports up to 1,000 horsepower
  • Custom tuning is required for optimal performance

• Supports applications up to 1,000 horsepower
• Capable of fueling up to 4,500 RPM (stock CP3 drops off at 3,000 RPM)
• Based on a 6.7L CP3 pump design
• Recommended to use with a 150 GPH or higher lift pump for best performance

The S&S Modified 12mm CP3 Injection Pump is designed for high-performance Common Rail 5.9L and 6.7L Cummins engines, delivering fuel efficiency and power well beyond what the stock CP3 can offer. Supporting applications up to 1,000 horsepower, this modified CP3 pump is ideal for those looking to push their Cummins engine to its limits.

This 12mm CP3 pump provides consistent fueling capabilities up to 4,500 RPM, compared to the stock CP3, which tends to lose efficiency at 3,000 RPM. For best results, S&S recommends pairing this pump with a lift pump rated at 150 GPH or higher to ensure optimal fuel supply.

Since this pump is based on a 6.7L CP3 platform, it may require tuning adjustments to suit your specific engine and performance setup. Custom tuning is required to fully unlock the potential of this high-performance fuel pump.