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Denser air has more oxygen which improves combustion as well as engine efficiency
For Universal Applications
9L Cummins Performance Intercooler
6L Duramax L5P performance intercooler
4L Powerstroke intercooler is protected by our signature lifetime warranty
Fleece Performance FPE-CLNTBYPS-CUMMINS-VP-SS Cummins Coolant Bypass Kit VP 98.5-02 with Stainless Steel Braided Line Fleece Performance Zippys Denser air has more oxygenIncreased 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