Steel Crank Hub by BDS®. 2.760" Bolt Circle. Steel. Black Powder Coat. BDS Crank Hubs are made from 4100 series aircraft alloy hardened steel, designed to replace the stock factory harmonic balancers for blower applications only, and are necessary for proper operation and longevity of the complete blower drive assembly. All BDS crank hubs come equipped with a stock size keyway and a 1/4" keyway located 180 degrees from the stock size keyway. (Key stock material is not supplied)
- High quality at an affordable price
- Expertly made from premium materials
- Built to match your exact requirements
Blower Drive Service Co. started in 1969 in a one-car garage located in Southern California and has evolved into one of the foremost leaders in supercharging today. BDS® has sold thousands of blower systems all over the world for all types of applications. The 10,000 square foot modern warehouse facility is the largest in the world devoted strictly to supercharging. BDS utilizes aircraft quality materials and electronic digital machines to manufacture the highest quality blower components available.