Fleece Performance FPE-DMAX-CP3K Duramax CP3K (LBZ/LMM Based) for Select Chevrolet Silverado HD, Chevrolet Silverado HD Classic, Chevrolet Silverado 3500, Chevrolet Silverado Classic, Chevrolet Silverado HD, GMC Sierra HD, GMC Sierra HD Classic, GMC
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The 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 scaled appropriately when installed in a 2001-2005 (LB7 or LLY)
Duramax CP3K (LBZ/LMM Based)
Fits: 2001-2016 Chevrolet Silverado 2500 HD, 2007 Chevrolet Silverado 2500 HD Classic, 2001-2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 3500 Classic, 2007-2016 Chevrolet Silverado 3500 HD, 2001-2016 GMC Sierra 2500 HD, 2007 GMC Sierra 2500 HD Classic, 2001-2006 GMC Sierra 3500, 2007 GMC Sierra 3500 Classic, 2007-2016 GMC Sierra 3500 HD
Please review Specifications and the detailed fitment table for notes and exceptions.