Wiseco 2421CD Piston Ring Set for Kawasaki 500H1 500KH 500S Mach III 61.50mm 2014 Polaris RZR 900 XP Indy Red 1979 82 Honda CB 750 K 1979 82 Honda CB 750 K Fits: 2002 08 Yamaha Grizzly 660 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Fuel Star Fuel Valve Kit Part Number FS101 0041 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 Will NOT work with OE or any other brand piston 50mm 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 FALSE Product Disclaimer Compatible with Wiseco Pistons ONLY