High-Quality Camshaft Assembly for 170F/173F/178F/186F/192F/1100F Air-Cooled Diesel Engines This precision-engineered camshaft assembly is designed as a direct replacement for 170F, 173F, 178F, 186F, 192F, and 1100F air-cooled diesel engines. It features a durable steel construction with 66 teeth and precision-machined lobes to ensure accurate valve timing, optimal engine performance, and long service life. Perfect for repairing or rebuilding generators, tillers, water pumps, and other diesel-powered equipment.