The Busch Major Repair Kit with GX Vanes, Part# BMK010, is designed for Busch vacuum pumps with the 0063B model. This kit includes essential components to perform a major repair on the pump, ensuring its optimal performance and longevity. The kit contains GX vanes, which are made of a G11 fiberglass composite laminate with an epoxy resin binder. These vanes offer high tensile strength, low moisture absorption, and excellent performance in most standard applications. In addition to the vanes, the kit may also include other components such as gaskets, o-rings, and filters, depending on the specific pump model. These additional parts contribute to the comprehensive repair and maintenance of the pump, ensuring all necessary components are replaced or serviced. the Busch Major Repair Kit with GX Vanes, Part# BMK010, is a comprehensive kit designed for the 0063B model of Busch vacuum pumps. It includes GX vanes and other essential components for a major repair, ensuring the pump's optimal performance, reliability, and longevity.