Namura Hi Compression Piston Kit for 1988 06 Yamaha YFS200 Blaster Bored to 66.44mm Namura NA 40002 2 2018 Polaris Indy 550 Voyageur w 144" track 2008 19 KTM 450EXC F 2008 19 KTM 450EXC F 2018 KTM 50 SX 50mm Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Emissions FALSE Product Disclaimer Product Details Product Line Namura Piston Kit Part Number NA 40002 2 Fitment Type Model Size Specific Fitment Use Type Aftermarket Replacement Unit Sale Qty Style Oversized 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 66