Hot Racing CNC Turn Fins for Traxxas Spartan Sanwa For Dingo and Honcho For Dingo and Honcho you will need the need the SCX10 Jeep AX80125 bumper mount 72T HARDEND STEEL SPUR GEAR Aluminum Construction Polished finish Easy to install light weight Adjustable INCLUDES (2) Turn fin (2) Turn Fin Mounting Bracket (2) 3mm Lock Nuts (2) 3mm x 12mm Screws REQUIREMENTS Installation with stock 4 x 12 staleness steel screw SPECIFICATIONS length: 79 mm width: 26 mm Thickness: 3 mm This is the Hot Racing CNC Turn Fin for the Traxxas SPARTAN BOAT FEATURES Increases performance and handling for SPARTAN BOATS Hot Racing high performance turn fin and mounting bracket will help your boat turn faster with more stability in both right and left turns