Namura Forged Top End Rebuild Kit for 2016 21 KTM 250 EXC F 77.98mm FX 70065 CK1 feed mpn 50 1079 2012 Arctic Cat 425 4x4 2012 Arctic Cat 425 4x4 SE 1991 13 Kawasaki KX100 Namura gives you a higher performance piston without the higher price Product Details Product Line Namura Top End Rebuild Kit Part Number FX 70065 CK1 Fitment Type Model Size Specific Fitment Use Type Aftermarket Replacement Unit Sale Qty Style Type C Standard Bore Piston Kit Size Age Group Gender Position Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Material Color Finish Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Overall Seat Width Overall Seat Length Piston Cylinder Size 77