For sale is a 283 cubic inch Chevy engine with a casting number of 3756519 and a date code of E1860, this casting number is a number that was used for Corvettes. Date code is May 18, 1960 so would be a good block for a late 1960 or early 1961 Chevy or Corvette. Heads are also included their casting number is 3876775 with date codes of C137, C97. Crank will need to be cut or replaced, rods will have to be resized, cylinders look good. Heads look good with no burnt valves. $100.00 or best offer.