Performance Online’s integral power steering conversion for 1955-57 Chevy Belair uses the Delphi 600 Series gear box. Power steering conversion kit and is available for 6 cylinder and small orbig block applications. These 600 series gear boxes represent the latest generation of integral steering gearbox technology with true modern power steering feel, feedback and a sporty 12.7:1 ratio.Pump bracketfor front motor mounts available.