Home / Unsorted / Concave Adjusting Worm Gear Concave Adjusting Worm Gear Application: 9860STS, 9660STS, 9760STS, 9560STS, 9570STS, 9870STS, 9670STS, 9770STS, S550, S660, S670, S680, S690 Weight: 5 lb / 2.00 kg Item Nr.: WN-AH224006 Category: Unsorted Related products Fan Speed Tone Wheel A/C Low Pressure Switch Combine Gear Box, Unloading, Top