K2112 Tune-Up Kit For Zenith Carburetors. Used On Various ALLIS CHALMERS,WISCONSIN,I.H.C.,CASE,MASSEY FERGUSON,FORD Equipment Using Zenith Production Numbers: 12098, 12253, 12775, 13047, 13309, 13405, 13422, 13549, 13653, 13694, 13727, 13733, 14002, 14017, 12115, 12122, 12123, 12225, 12285, 12911, 13028, 13056, 13542, 13781, 13794,12098, 12108 ,12115, 12122 ,12123, 12225,12253, 12262 ,12285, 12319 ,12325 ,12331,12340, 12341, 12342 ,12384 ,12385, 12386, 12389, 12449 ,12492, 12493 ,12522, 12544,12566 ,12567, 12512, 12654, 12658, 12690,12699,12775 ,12911 ,13007, 13028, 13047,13053, 13056 ,13105, 13206, 13210, 13276,13292 ,13309 ,13324 ,13371, 13379, 13386,13397, 13405, 13422, 13423, 13468, 13469,13471, 13484 ,13541, 13542 ,13549 ,13556,13565, 13653, 13694 ,13705, 13713 ,13719, 13720, 13727, 13733, 13735, 13769 ,13781, 13794, 13800, 13803, 13819 ,13822, 13843,13873 ,13876, 13877, 13878, 13879, 13880,13895, 14002, 14017, 14544.