Duramax CP3K 1999-73-powerstroke adding additional stress to your

adding additional stress to your CP4 System and risk introduce additional air into your fuel

1996 - 1998

Engine surging may be induced by the additional fuel pressure of a lift pump operating at pressures over 2 psi

If you have an aftermarket fuel filtration system your factory fuel filter is no longer necessary

Duramax CP3K 1999-73-powerstroke adding additional stress to yourThe Fleece Performance 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. FEATURES Brand new Bosch CP3 No core charge or core to