Benda Pinion Seal9" Axle This Premium Viton Oil Seal was designed for high speed applications by Dave Benda, Material Control Supervisors, Ford Sterling Plant.Ford Racing Benda Viton(R) Pinion Gaskets were developed by Dave Benda, Material Control Supervisor in the Ford Sterling Plant for high-speed high temperature applications. These gaskets are made of premium Viton(R) material for a reliable seal against abrasives, corrosive moisture, oil leaks and other harmful contaminants.