Power steering pump pulley removed from an 87 2.8 camaro should also fit 87-92 Camaro or Firebird with the 2.8 or 3.1 engine with serpentine belt drive pulley needs cleaned up but looks to be in usable shape number on pulley is 14100597NU. Item may fit other gm models as well. Item is sold as is no returns any questions feel free to ask thanks for looking and have a great day