Stamped steel bracket for mounting the power steering pump. Ford called this bracket the 'power steering pump adjusting bracket'. For any 1970 Cougar or Mustang with 351 or Boss 302 engines, additionally Mustangs with F code 302 V8 engines too. Note the larger "U" shaped fitting to fit the 1970 only larger pressure port.
A small spacer was used when installed without air conditioning.