Concave - Middle/Rear- Helical Bar Configuration

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Front Concave Design - Does Include Front lip (A-1680FL), Used in 1st Position for Increased Threshing Capabilities. The Helical Bar concave is often the solution when more aggressive threshing is needed. Since the cross bars and wires run diagonally in a helical bar concave, material entering the rotor strikes a helical bar concave at a right angle. This prevents whiteheads and unthreshed grain. This innovative concave can be installed in the front concave position when encountering tough threshing grain. If even more aggressive results are desired the middle concave can be replaced with a helical bar concave as well. Suits the following machines: Case-IH COMBINE: 1680 Case-IH COMBINE: 1682 Case-IH COMBINE: 1688 Case-IH COMBINE: 2188 Case-IH COMBINE: 2377 Case-IH COMBINE: 2388 Case-IH COMBINE: 2577 Case-IH COMBINE: 2588 Case-IH COMBINE: 5088 Case-IH COMBINE: 5130 Case-IH COMBINE: 5140 (SN