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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The XB's deliver the DRL you demand
Solenoids hard wiring providing high temperature resistance
This kit is ideal for the heavy footed daily driver or users that tow heavy creating peace of mind when monitoring EGT levels
2003-2007 Cummins Head Gasket Set
5 650HP/1200TQ
Fleece Cummins Coolant Bypass Kit (2003-2005 Auto Trans) Lens The XB's deliver the DRLIncreased 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