The Motorcycle Engine Cylinder Piston Ring Set 4N is meticulously designed to ensure optimal engine performance on your Kawasaki Ninja 400R, Z750, or NK400 models, manufactured between 2011 and 2013 (Z750) or 2004 and 2012 (NK400). This 2-set ring set, specifically labeled 13008-0004, is engineered to provide exceptional sealing and longevity for your Kawasaki engine. The rings' high-quality construction and advanced design ensure consistent compression ratios, reducing oil consumption and extending the life of your motorcycle's engine. With this high-quality set, you can trust in the performance and reliability it provides, increasing your riding experience's enjoyment and safety.