Wiseco (4815M05900 59mm 11:1 High-Compression 4-Stroke Piston Kit Fits: Kawasaki KLX125 2002-06, Suzuki DRZ125 2002-08 Forged from high-silicon aluminum alloy for maximum strength and dependability Innovative forging design and piston skirt provide maximum horsepower and torque Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy All Wiseco high-performance motorcycle pistons come with rings and circlips