BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 1996-2001 33009P 1-1/8 in Piston

1-1/8 in Piston

maximum pressure is 14 psi

1979-1987 Buick Riviera

Adjustable mounting position allows the tray to work at its maximum potential by being as close as possible to the rotating assembly (min

The Ready-to-Run features MSD's adjustable mechanical advance that allows you to custom tailor an ignition curve to match your engine's needs

BBK Under Drive 6-Rib Serpentine Pulley Kit - Polished Aluminum - Ford Modular - Ford Mustang 1996-2001 33009P 1-1/8 in PistonInstall 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