New item 12/26/17! Snowcaster auger drive chain upgrade for all Case/Ingersoll 38 and 48" snowcasters after SB38G s/n 030612026 and SB48 s/n 030608026. The tooth count of the jackshaft sprocket should be 19 on these models. Stainless steel for rust resistance and long life. Includes 1 connecting (master) link to complete the installation, an exact replacement for Case/Ingersoll p/n C46469.