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7L Cooler Bypass Delete (1061527)
Microscopic particles in the fuel
Easy filter install and removal with this specialty socket
It is the updated dished style housing that helps keep the unison ring from sticking
2003-2007 Cummins 5.9L CP3K (FPE-CUMM-CP3K-5.9) Tuning & Electronics 7L Cooler Bypass Delete (1061527)The Fleece Performance CP3K is a modified 5. 9L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost effective upgrade will allow you to maintain desired fuel rail pressure through your entire RPM range. Note: This 5. 9L pump should not be used in a belt