BBK Underdrive Pulley Kit for all 2005-2010 4.6L 3V Mustang.
BBK now offers SFI approved performance pulley kits with a SFI approved steel crank damper. Built from high quality CNC machined aluminum & steel each 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 vehicle. This pulley kit for the 2005-2010 Mustang GT ? is designed as a 2 piece kit. This kit has shown horsepower gains of approxmately 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.
ALLBBK performance under drive pulley kits use existing factory serpentine belts