Home Products combine parts case-ih threshing and separation concaves and keystock grates 2166, 2366 2166, 2366 9 Available Products SALE C2366F - Front Concave Corn and soybean. For 2166, 2366. ... SALE C2366MR - Middle Or Rear Concave Corn and soybean. For 2166, 2366. ... SALE SH430960 - Front Concave Small grain. For 2166, 2366. ... SALE SH430963 - Middle Or Rear Concave Small grain. For 2166, 2366. ... SALE KS1440 - Keystock Grate For 2166, 2366. ... SALE SH191538 - Slotted Grate For 2166, 2366. ... SALE SH191536 - Channel Insert 7 used with SH191538 slotted grate. ... SALE SH135270 - Special Bolt 3 used with SH191536 channel insert. ... SALE FN516 - Flange Nut Use with SH135270 bolt. ... 9 Available Products