Cummins Coolant Bypass Kit VP 98.5-02 with Stainless Steel Braided Line Shirt We recommend running a 100-400%

We recommend running a 100-400% nozzle with these depending on your goals

We recommend this intake for trucks that have the factory EGR cooler in place

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Duramax 12mm High Speed CP3 – New – (1

Cummins Coolant Bypass Kit VP 98.5-02 with Stainless Steel Braided Line Shirt We recommend running a 100-400%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 to a failure. Our coolant bypass kit adds a secondary