Cummins Coolant Bypass Kit 03-07 Manual Transmission w/ Stainless Steel Braided Line Fleece Performance Transmissions & Transmission Parts The stud kits include heat-treated

The stud kits include heat-treated chrome-moly steel nuts (12-point) and parallel ground washers

We have seen all billet caps get either too tight or loosen up

The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3

Superseded From Part Numbe: DDP 9802NZ-3

Our Fuel Distribution Block cannot be used with the factory metal fuel rail return line or cylinder head return line and will need to be plumbed with braided fuel line or FASS Push-Lok fuel line

Cummins Coolant Bypass Kit 03-07 Manual Transmission w/ Stainless Steel Braided Line Fleece Performance Transmissions & Transmission Parts The stud kits include heat-treatedIncreased 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 to a failure. Our coolant bypass kit adds a secondary