1979-1993 MUSTANG 5.0 3 PC PERFORMANCE UNDER DRIVE PULLEY KIT (BILLET ALUMINUM) 2011 Ford Mustang As the control arms are

As the control arms are shortened or lengthen the rotate the rear end changing the pinion angle

BBK Performance now offer a direct replacement fuel pump for your 1998-04 Mustang V6

so they need all the help they can get

This Part Is Perfect For Dragsters

The kit is completed with Grade 8 hardware

1979-1993 MUSTANG 5.0 3 PC PERFORMANCE UNDER DRIVE PULLEY KIT (BILLET ALUMINUM) 2011 Ford Mustang As the control arms areInstall 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