DescriptionDuramax CP3K for 2001-2016 6.6L The Fleece FPE-DMAX-CP3K CP3K is a modified Duramax LBZ 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. Fleece FPE-DMAX-CP3K Duramax CP3K Features:Brand new Bosch CP3No core charge or core to returnFleece Performance durability APPLICATION NOTESThe fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or LLY). You can get the values here. PROP 65 WARNING MORE INFO AT WWW.P65WARNINGS.CA.GOV
