Wiseco Piston Kit for Honda TRX400X EX and XR400R models Bored to 86.00mm 4606M08600 1986 Honda TRX250R FourTrax A Fitment Type Model Size Specific A Fitment Type Model Size Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Kit Style Type A Standard Bore Piston Kit Position Material Finish Piston Cylinder Size 42 2019 Polaris Rush 600 PRO S Product Details Product Line Wiseco Piston Kit Part Number 4606M08600 Fitment Type Model Size Specific Fitment Use Type Aftermarket Performance Replacement Unit Sale Qty Each Style Oversized Bore Piston Kit Position Material Finish Piston Cylinder Size 86 Wiseco Performance Piston Kit