Wiseco 3209TD Piston Ring Set for Honda 350 400 700 Models 81.50mm MPN_CK101 2004 Triumph Speed Four 2004 Triumph Speed Four Product Details Product Line Wiseco Piston Rings Part Number 1929CD 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 CD 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 49 These rings resist wear from the exhaust bridge and are designed for extreme racing conditions Manufacturer in the USA