Duramax CP3K Fleece Performance GM Silverado/Sierra " Fully emissions compliant Price includes

Fully emissions compliant Price includes applicable core fee

Custom Tunes for Stock or Modified vehicles developed by aFe POWER expert calibrators

bolt-in replacement for the stock unit

0 or Later

Duramax CP3K Fleece Performance GM Silverado/Sierra " Fully emissions compliant Price includesThe 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. Note: The fuel pressure regulator will need to be