Wiseco Semi Keystone L Ring Set for Ski Doo 500 503 Models 73.50mm 2894LK Pivot Works Wheel Bearing Kit 70 x 18mm Pan head 70 x 18mm Pan head bolts Product Details Product Line Namura Top End Rebuild Kit Part Number NX 70068 BK Fitment Type Model Size Specific Fitment Use Type Aftermarket Replacement Unit Sale Qty Style Type B Standard Bore Piston Kit Size 94 Will not fit OEM or other brand aftermarket pistons Product Details Product Line Wiseco Piston Rings Part Number 2894LK Fitment Type Model Size Specific Fitment Use Type Replaceent Part for Wiseco Aftermarket Piston Kit ONLY Unit Sale Qty Ring Kit for Single Piston Style LK Style Rings Size 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 73