Märkisches Werk Halver (MWH), based in Halver, Germany, is a well-regarded supplier of quality cylinder head components to nearly all manufacturers of low, medium and high-speed, two and four stroke engines. MWH's experience extends from the manufacture of high quality cylinder head components to in-depth knowledge of the relationships inside the valve units, and the interplay of valve cages, stem guides, seat rings and valves within the system. In a program dubbed Lifecycle Management by MWH, the company throws its years of practical experience in production, revision and optimization of these engine components into good advice and support to customers in the design of cylinder heads with all componentsā¦