Wiseco Piston Kit for Kawasaki 750 STX SS ZXi Bored to 80.50mm 809M08050 2010 Yamaha YFM700FGPH Grizzly 700 FI 4x4 EPS Hunter Edition 2003 Arctic Cat 300 4x4 2003 Arctic Cat 300 4x4 2002 04 Honda CRF450R Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Pivot Works Swing Arm Bearing Kit Part Number PWSAK H24 020 Fitment Type Unit Sale Qty Kit Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer Standard Piston Size: 80 and lead the industry through rigorous R&D