BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 2001-04 Fire Extinguisher System Pull Cable manufactured on Dartas own CNC

manufactured on Dartas own CNC machining centers

All of this adds up to fewer break-downs and less money spent on replacement parts

Race Tuned Mechanical Advance and Vacuum Advance

24 in L x 8

BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 2001-04 Fire Extinguisher System Pull Cable manufactured on Dartas own CNCInstall 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