The general consensus when it comes to the factory CP3 injection pump in your 2003-2018 Cummins is good to about 600HP, many factors depending obvioulsly.  Under wide open throttle conditions, making higher power you can experience a decrease in rail pressure, and then it slows builds back up.  Risky, to say the least as the lean conditions that follow can lead to expensive repairs.  How do we combat poor fuel performance?

The folks at S&S Diesel Motorsport have designed specifically for the 5.9L/6.7L Cummins updated CP3 High-Pressure Pumps. Engineered to deliver unparalleled performance, these high performance pumps are the ultimate solution for enthusiasts looking to take their truck to the next level. With stable consistant fuel flow up to 6,000RPM and upwards of 4,000 Litres per Hour flow support, the 12MM CP3 high pressure pump is meticulously crafted from a original-style pump to support your build up to an "I told you so Kyle" 1000 horsepower.

A high-speed version of this CP3 injection pump refers to a pump that is modified to operate at a higher rotational speed than the standard or stock CP3 pump. Lifting the RPM limit an addition 500rpm over the standard 12mm pump, The primary purpose of a high-speed CP3 pump is to increase fuel delivery rates which can be beneficial for achieving higher horsepower levels in high-performance applications. These pumps provide the necessary fueling capacity to support aggressive tuning without exceeding the limits of the fuel system.Each pump undergoes modifications to meet the rigorous standards set by S&S Diesel, guaranteeing optimal performance and durability. If you're looking to modify your 5.9L/6.7L Cummins, this 12MM pump is the ideal choice. It will maximize power and efficiency, offering unmatched performance gains that will elevate your driving experience. As you start aiming that drag beast down the quarter, or maybe you're stepping into the sled pull game, you're  going to need to bolster your fuel system even more.  In order to provide enough fuel support for multiple CP3 builds, the team at S&S have added the SP3000 supply pump to the line up.  Adding an SP3000 gives you a mechanical inline solution directly attached to a CP3 in line with your distrubtion system supporting up to 4 total pumps, and helping you achieve the brain tickling power numbers you're craving.