This is a brand new genuine Ford NOS fan blade for the 1965 1966 1967 Ford Mustang 170 or 200 CID 6 cylinder engine. This is 15 1/2" in diameter and has a 5/8" center hole. This also fits 1965 1966 1967 Ford Fairlane 200 CID or Falcon. This has the C5DE-A engineering number and is Ford part number C2DZ-8600-D. Thanks and happy E-Baying! (PT227)