Ford Mustang SFI under drive pulley kits increases horsepower and torque by reducing accessory drag. BBK now offers Mustang performance pulley kits with an SFI approved Steel crank damper good for up to 12,500 RPM for all 2005-09 Mustang GT models. Each kit is designed as a direct bolt on to replace the stock pulleys that rob your engine of horsepower. BBK also manufactures underdrive pulley kits for many other vehicles including all year Ford Mustangs, some Camaros and Corvettes and some truck applications. As with most of pulley systems horsepower gains are approximately 9-12 rear wheel horsepower which is a result of the reduced drag which also helps with overall fuel economy. As with all BBK parts these SFI approved pulley kits offer BBK's distinctive quality that guarantees many years of top performance. ALL BBK performance under drive pulley kits use existing factory serpentine beltsThis Pulley kit features a one piece steel SFI balancer/damper and a CNC machined billet water pump and it will fit all 2005,2006,2007,2008,2009 Ford Mustang GT BBK Part #1653 For more information CLICK HERE
