Ford Mustang Fairlane Torino Mercury Cougar Cyclone FE 352 390, 427, 428, 428CJ, 428SCJ,  2.391" Diameter, .310 Depth, Melling Camshaft Rear Cup Plug, these were Bought in Bulk, 25 to a Box, They Are Sold Individually, and the Box is not Included in the Sale of this Part,  Please Check Out My Other Ford Items for Sale...