The PowerFlo 1000 high performance 12mm stroker CP3 pump for the 2003 2007 5.9L Cummins is capable of supporting up to 1, 000 RWHP Features Full fuel delivery to 6, 000 RPM. New OEM unmodified FCA New Bosch CP3 no core charge or core to return Fleece Performance high flow feed and return fittings Application Notes A 6.7L Cummins based CP3 is provided in this kit along with a high pressure line to adapt to the 5.9L engine see installation instructions for application details.