Manufactured by Namura Kit includes piston, rings, pin, clips, top end gasket kit you get exactly what is pictured Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan Namura gaskets use performance materials to increase durability and provide greater reliability Includes all gaskets pictured to rebuild top end Kit is for standard bore size 90.00mm Size A piston size is 89.96mm Made in Taiwan Fits 2003 Kawasaki KFX400 KSF400-A 2004 Kawasaki KFX400 KSF400-A 2005 Kawasaki KFX400 KSF400-A 2006 Kawasaki KFX400 KSF400A