Classic 1965-1970 Mustang? We have you covered with a modern quick ratio power steering conversion. Classic 1971-1973 Mustang? Try out our Delphi 600 series modern quick ratio power steering box. 1979-2014 Mustang? we have direct replacement steering intermediate shafts that eliminate the rag joint for improved header clearance. Use the year, make, model filter to see what we offer for your Mustang or browse the items below.