Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading
» Read moreThe 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
» Read moreWhy convert your LML’s Fuel System from a CP4 to a CP3? The stock CP4 is only capable of supporting up to 500 RWHP. A CP3K is capable of supporting 600+ RWHP in conjunction with the piezoelectric injectors. The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ RWHP. The CP4 was introduced as a cost reduction to
» Read moreIt comes complete with all of the high quality AN fittings and push lock hose needed to cleanly plumb your dual CP3s with the Fleece Performance Fuel Distribution Block. (1) Push Lock CP3 Feed Fittings. (1) -6AN to M12 Fitting. (1) -8AN to M12 Fitting. (3) 12mm Sealing Washers. (3) -8AN 90 to Push Lock Fittings. (1) -8AN 45 to
» Read more
