Kit includes all the o-rings, seal-head and various seals required for a comprehensive GRIP damper service. (Performance Series) Kit is to used conduct a FULL service on a Fox or Marzocchi fork that uses a FIT GRIP damper. (2019 ). (not GRIP2). Fox Part: 803-01-320 - Seal Kit: MY19 32, 34, 36, 38, 40 GRIP Cartridge Rebuild