Home / Concaves / Concave, Narrow Spaced, Middle/Rear Concave, Narrow Spaced, Middle/Rear Application: 9650STS, 9750STS, 9660STS, 9760STS, 9670STS, 9770STS, 9860STS, 9870STS, S650, S660, S670, S670HM, S680, S680HM, S690, S690HM, S760, S770, S780, S790 Features: Heat Treated Weight: 78 lb / 35.38 kg Item Nr.: WN-AH205255 Category: Concaves Related products Concave, Front Plate Concave, Front Plate Concave, Wide Spaced Concave, Grain