BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 2001-04 Wheel Stands KRC 6-Rib Goodyear Serpentine Belt

KRC 6-Rib Goodyear Serpentine Belt X 38

2019-2022 Ram 1500 Tradesman

CNC machined billet 6061-T6 aluminum housing

2012-2014 Chrysler 300

The precision weights glide on nylon bushings for smooth advancement and different springs and stop bushings are supplied so a variety of advance curves can be tuned

BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 2001-04 Wheel Stands KRC 6-Rib Goodyear Serpentine BeltInstall a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet