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 does not have machine smoothed dome*** Kit is for .040 over bore size 42.00mm Piston is 41.96mm Made in Taiwan Fits 1984 Suzuki Quadrunner 50 2x4 LT50 1985 Suzuki Quadrunner 50 2x4 LT50 1986 Suzuki Quadrunner 50 2x4 LT50 1987 Suzuki Quadrunner 50 2x4 LT50 2002 Suzuki Quadsport 50 2x4 LTA50 2003 Kawasaki KFX50 2003 Suzuki Quadsport 50 2x4 LTA50 2004 Kawasaki KFX50 2004 Suzuki Quadsport 50 2x4 LTA50 2005 Kawasaki KFX50 2005 Suzuki Quadsport 50 2x4 LTA50 2006 Kawasaki KFX50