All Balls Counter Shaft Seal Kit All the seals required to re-seal the counter shaft in one convenient package. Quality design and construction of every All Balls piece meets the toughest standards and conditions - from daily commuting to full-on racing all older bearing and seal designs are upgraded to the best and latest specs and designs. Fits: Kawasaki KX450F 2019 2023 KX450SR 2023 KX450X 2021 2023 KX65 2023