Pro X Racing Forged Piston Kit for 2017 19 Honda CRF450 Models 95.97mm 01.1417.B MPN_4014 Displacement: 992cc Displacement: 992cc Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Winderosa Top End Gasket Set Part Number 810659 Fitment Type Unit Sale Qty Each 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 The same low expansion ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle