Namura Top End Gasket Kit for 2017 22 Polaris Ranger 500 Sportsman 450 NA 50098T 2011 Polaris Sportsman 550 EFI 4x4 Part Number: UA410 Part Number: UA410 2003 Harley Davidson Sportster Hugger XLH883H Product Details Product Line Namura Top End Gasket Kit Part Number NA 50098T Fitment Type Model Specific Fitment Use Type for use when rebuilding your top end or replacing pistons Unit Sale Qty Style 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 Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Emissions Product Disclaimer NBR (Nitrile Butadiene)