[dfb]

Need advice for how to up grade R7. Have rotor pulled out now cage needs new helicals. Wanted to install channel helicals edible bean kit 71328026 but it is no longer offered as a kit. New pieces to make app. $2900 anyone know less expensive option? What about stacked helicals sources would this be better option? Last year had problem with pieces of cobs in chaffer and grain. Harvest corn and soybean small amount wheat and milo. Also plan to cut every other wire out of concave. Thanks for any help. dfb