Video: KYB PSF Airfork Piston Upgrade

25th May 2014

SDI KYB PSF Midvalve Piston (Pair)

  • Creates a more linear damping curve
  • Increases low speed damping (this is good)
  • Decreases the high speed damping spike (this is excellent)
  • Designed with a DU bushing for decreased friction
  • Comes with shims and washers
  • Sold as a pair
  • Starting point spec sheet posted in pictures above
  • Fits the 2013-2014 Honda CRF450 and Kawasaki KX450F
  • Let JBI Suspension Services install for you