Fleece Performance Coolant Bypass Kit W/Stainless Braided lines 06-07 5.9L Auto Trans Cummins AFE-49-42016 critical torsional harmonic vibrations occur

critical torsional harmonic vibrations occur and can be seriously destructive to the bearings and the crankshaft

This construction allows for a proper OE style fit with excellent filter strength

Two EAS -40F to 300F Temperature Sensor

deliver both optimum performance and unique looks that will make your vehicle stand out in the crowd

can cause engine damage

Fleece Performance Coolant Bypass Kit W/Stainless Braided lines 06-07 5.9L Auto Trans Cummins AFE-49-42016 critical torsional harmonic vibrations occurHelp eliminate the possibility of scored rear cylinders and blown freeze plugs in your 5. 9 Cummins with this Coolant Bypass Kit from Fleece Performance! The Fleece Coolant Bypass with Stainless Lines solves the problem of excessive coolant pressure before it becomes a problem. The integrated secondary thermostat locates at the back of the block and allows coolant to flow freely when at normal operating temperatures ensuring consistent temperatures