BBK Under Drive Pulley Kit 6 Rib Serpentine Aluminum Polished - Small Block Ford Helmet Air Hose Single Wire Braid

Single Wire Braid

1975-1975 Ford Courier

Single Blade Siper to 8 Blade

Dual Rear Exit

BBK Under Drive Pulley Kit 6 Rib Serpentine Aluminum Polished - Small Block Ford Helmet Air Hose Single Wire BraidInstall 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