WSM Top End Kit - +0.75 mm - Honda 54-231-13 M1 YZ/YZF/WR Bolt Kit bottom-end thrust washers and bottom-

bottom-end thrust washers and bottom- and top-end bearings

Combined with Graves’ exclusive flash tune map this system produces a solid 15+ HP in the midrange and 11+ on the top of the horsepower charts

Increased horsepower across the entire RPM range

650 °F / 900 °C) Full carbon "Slash Cut" end cap Full carbon muffler fastening strap Laser etched LeoVince logo TIG Weldings

Roll top for easy access

WSM Top End Kit - +0.75 mm - Honda 54-231-13 M1 YZ/YZF/WR Bolt Kit bottom-end thrust washers and bottom-Top quality piston kit Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4 stroke models