A compressor section of a turbomachine comprising: a compressor casing having an upper casing portion coupled to a lower casing portion such that a split-line is defined between the upper casing portion and the lower casing portion; and a plurality of stator vanes circumferentially arranged in a stage of the compressor casing, the plurality of stator vanes comprising a split-line stator vane assembly mounted in the compressor casing at the split-line, the split-line stator vane assembly, characterized in further comprising: a first split-line stator vane having a first shank with a first platform portion and a first mounting portion extending radially outward of the first platform portion and mounted to one of an upper casing portion or a lower casing portion of the compressor casing, and a first airfoil extending radially inward of the first platform portion, wherein the first shank includes a protrusion that extends circumferentially beyond the split-line; and a second split-line stator vane having a second shank with a second platform portion and a second mounting portion extending radially outward of the second platform portion and mounted to the other of the upper casing portion or the lower casing portion of the compressor casing, and a second airfoil extending radially inward of the second platform portion, wherein the second shank includes a recess complementary to the protrusion that extends circumferentially away from the split-line. a compressor casing having an upper casing portion coupled to a lower casing portion such that a split-line is defined between the upper casing portion and the lower casing portion; and a plurality of stator vanes circumferentially arranged in a stage of the compressor casing, the plurality of stator vanes comprising a split-line stator vane assembly mounted in the compressor casing at the split-line, the split-line stator vane assembly, characterized in further comprising: a first split-line stator vane having a first shank with a first platform portion and a first mounting portion extending radially outward of the first platform portion and mounted to one of an upper casing portion or a lower casing portion of the compressor casing, and a first airfoil extending radially inward of the first platform portion, wherein the first shank includes a protrusion that extends circumferentially beyond the split-line; and a second split-line stator vane having a second shank with a second platform portion and a second mounting portion extending radially outward of the second platform portion and mounted to the other of the upper casing portion or the lower casing portion of the compressor casing, and a second airfoil extending radially inward of the second platform portion, wherein the second shank includes a recess complementary to the protrusion that extends circumferentially away from the split-line. a first split-line stator vane having a first shank with a first platform portion and a first mounting portion extending radially outward of the first platform portion and mounted to one of an upper casing portion or a lower casing portion of the compressor casing, and a first airfoil extending radially inward of the first platform portion, wherein the first shank includes a protrusion that extends circumferentially beyond the split-line; and a second split-line stator vane having a second shank with a second platform portion and a second mounting portion extending radially outward of the second platform portion and mounted to the other of the upper casing portion or the lower casing portion of the compressor casing, and a second airfoil extending radially inward of the second platform portion, wherein the second shank includes a recess complementary to the protrusion that extends circumferentially away from the split-line.