Manufactured by Namura Kit includes piston, rings, pin, clips top end gasket kit you get exactly what is pictured Unlike other Namura pistons which are cast, this piston is forged 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 77.00mm Size A piston is 76.95mm Compression ratio of 12.6 1 Made in Taiwan Fits 2004 Kawasaki KX250F 2004 Suzuki RM-Z250 2005 Kawasaki KX250F 2005 Suzuki RM-Z250 2006 Suzuki RM-Z250