BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Small Block Ford - Ford Mustang 1979-93 GT6 Pro 12' lengths are commonly used

12' lengths are commonly used for FRONT seat passengers

1973-1980 Oldsmobile Custom Cruiser

Kansas in the heart of the USAVehicle Applications: 2019-2020 Dodge Ram 1500 Quad Cab Pickup

The SST clutch system has been engineered and developed for vehicles producing 400 to 925 ft/lbs of torque

BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Small Block Ford - Ford Mustang 1979-93 GT6 Pro 12' lengths are commonly usedInstall 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