A camshaft repair kit designed for Eaton 16-1/2" self-contained drive axle brakes, used to restore worn camshaft components on heavy-duty truck brake assemblies. It includes the hardware needed to service the S-cam brake system, and is cross-referenced to equivalent kits from Euclid (E-2125), Meritor (R615002), Haldex (67326), Spicer (43-7041), and Midland (WA08-5024), among others.