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The Fleece Performance CP3K for 2003–2007 5.9L Cummins is a modified CP3 pump that eliminates the factory fuel flow restriction starting at 3,000 RPM to preserve rail pressure through the rev range. It offers a cost-effective fuel system upgrade for street use; note this 5.9L pump should not be used in belt-drive applications such as dual pump setups where belt drive is required.
Fleece Performance 03-07 Dodge 5.9L Cummins CP3K
