Emma, Greg, Dorothy, Anthony and Clare by Jack1set2 on DeviantArt Wisefab Front Steering Rack Conversion Kit suit S197 Rack. Wisefab replacement part WF559 Championship winning suspension parts. Wisefab has produced angle kits over 10 years. Giving drift car drivers advantages over their opponents by providing them with factory team level suspension solutions for a reasonable price. High performance suspension parts for your drift, Time Attack, Hillclimbing or Autocross car. Better kinematics for lowered cars, improved handling and grip with minimal bump steer. Faster steering ratio and higher roll center. Wisefab suspension kits are fully adjustable.