this hand choke holley 1850-2 will be sold as a parts unit or for possible rebuild although it may function properly.it  has been sitting on the shelf and collected some dust.all of the parts that are suppose to move do so freely.the numbers list-1850-2     2896.. it will fit in large flat rate box {24.75} but not much padding on the top and bottom..it will be your choice....thanks for looking