Aftermarket Assassins P90X Secondary Butter Shift Washers




  • Fits 2020-2022 Pro XP, 2021 RZR Turbo + Turbo S, New Body Style Ranger 1000’s
  • These will NOT fit the Pro-R 4 cylinder model
  • 2 washers stacked in the helix allow for less spring bind and smoother shifting
  • Less harmonic noise from the spring
  • Increases spring rate by 10-15lbs peak on average, this can help eliminate slipping if more spring tension was needed
  • See instructions¬†HERE
  • Part number: 108-1037