High-Quality Camshaft Assembly for 178FS-180FS Air-Cooled Diesel Engines This precision-machined camshaft assembly is a direct replacement for 178FS and 180FS air-cooled diesel engines. Built from durable steel with 72 teeth and precision-engineered lobes, it ensures accurate valve timing, optimal combustion efficiency, and long-lasting performance. The assembly weighs 1.7kg and features dimensions tailored for a perfect fit, making it ideal for repairing generators, tillers, water pumps, and other diesel-powered equipment.