Quick view Fleece Performance Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based) - FPE-DMAX-CP3K Compare $1,349.99 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... Add to Cart Add to Cart
