No issues that I can see nice and clean faces valves all look mint , been off the road since 2005 only just split the engine The Zx9r Cylinder Head C2 1999 is a complete replacement cylinder head assembly designed for Kawasaki ZX-9R motorcycles manufactured in 1998 and 1999. This high-quality part includes camshafts and valves, ensuring optimal engine performance and efficiency. Made specifically for these model years, this cylinder head is a reliable choice for motorcycle enthusiasts looking to maintain or upgrade their engine components.