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2003-2007 Cummins Head Gasket Set
5-2002 Dodge Cummins
Fabricated steel 5" rear lift blocks include integrated bump stop landings
Decreased EGTs
Fleece Cummins Coolant Bypass Kit (2003-2005 Auto Trans) Lens 2003-2007 Cummins Head Gasket SetIncreased 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