Wiseco 4983M08300 Piston Kit for 2004 09 Kawasaki KX250F Suzuki RM Z250 83mm 2010 POLARIS Outlaw 450 B Fitment Type Model Size Specific B Fitment Type Model Size Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Kit Style Type B Standard Bore Piston Kit Position Material Finish Piston Cylinder Size 42 The Cycleworks Seat Covers are made from the finest UV resistant heavy duty marine grade vinyl available and are double stitched for durability Wiseco is unique because we forge all of our own pistons in house in house dyno testing gives Wiseco the ability to develop state of the art technology such as new shapes