BBK Aluminum Underdrive Pulley Kit with SFI Damper for April 2, 2001-2004 4.6L 2V Mustangs.
Built from high quality CNC machined aluminum & steel this BBK kit is designed as a direct bolt on to replace the stock pulleys that rob your engine of horsepower.
Each SFI pulley kit is designed specifically for each application. This pulley kit for the 2001-2004 Mustang 4.6L 2V ? is designed as a 3 piece kit. As with their traditional pulley systems horsepower gains are approximately 9-12 rear wheel horseower 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 drivepulley kits retain your existing factory serpentine belt.
A quick way to tell if you have early or late pulleys is early 2001 pulleys faces are bowed outward, later models it is recessed.