Fuel Economy Package 2007.5-2018 6.7L Cummins Already Have S&B Cold Air Intake:Yes (-$379) while their aluminum construction and

while their aluminum construction and heat-dissipating fins keep temperature down

replaced the bearings in the center section to the upgraded 360 thrust washer

This process is used so we can pack as much performance in a smaller sized wheel that is lighter

A failing fan clutch can lead to overheating

and upgraded KC compressor wheel

Fuel Economy Package 2007.5-2018 6.7L Cummins Already Have S&B Cold Air Intake:Yes (-$379) while their aluminum construction andFuel Economy Package 2007. 52018 6. 7L Cummins This Fuel Economy Package is designed for 2007. 52018 6. 7L Cummins trucks looking to improve fuel efficiency, lower exhaust gas temperatures (EGTs), and increase overall drivability without sacrificing reliability. By improving airflow in and out of the engine and stabilizing fuel delivery, this package helps the 6. 7L run cooler and more efficiently, especially during highway driving and towing. This is