Big Gun TFI Power Box for 2015 21 Yamaha YFZ450R 40 R57G 1996 Kawasaki KLF300A Bayou Product Details Product Line Wiseco Product Details Product Line Wiseco Piston Rings Part Number 3140KD 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 KD 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 3 2004 Triumph America 790 Installing a Power Box allows you to get the most out of your aftermarket exhaust and increases throttle response Plug in technology (Does not interfere with stock ECU map)