BBK now offers SFI approved performance pulley kits with a one piece SFI approved Steel crank damper. 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. You will gains of approximately 9-12 rear wheel horsepower and improved 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 belts.