Manufactured by Namura Kit includes piston, rings, pin, clips 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 Kit is for standard bore size 90.00mm Size A piston size is 89.96mm Made in Taiwan Fits 2003 Suzuki 400 Quadsport LT-Z400 2004 Suzuki 400 Quadsport LT-Z400 2005 Suzuki 400 Quadsport LT-Z400 2006 Suzuki 400 Quadsport LT-Z400 2007 Suzuki 400 Quadsport LT-Z400 2008 Suzuki 400 Quadsport LT-Z400 2009 Suzuki 400 Quadsport LT-Z400 2012 Suzuki 400 Quadsport LT-Z400 2013 Suzuki 400 Quadsport LT-Z400 2014 Suzuki 400 Quadsport LT-Z400