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 and a CNC machined billet aluminum water pump pulley. Each kit is designed as a direct bolt on to replace the stock pulleys that rob your engine of horsepower.
BBK Manufactures underdrive pulley kits for many other vehicles including all Mustangs, Camaros 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.
Menu 