All Ball's Shock Bearing Kits contain the bearing and all of the seals, spacers and pins (if required) to rebuild the shock to factory specifications. This Kit Fits the following applications: Shock Kit - Front Arctic Cat 250 2x4 99-05, 250 4x4 01-05, 300 2x4 98-04, 300 4x4 98-05, 375 2x4 w/AT 02, 375 4x4 w/AT 02, 400 2x4 98-01, 400 4x4 98-00, 400 4x4 w/AT 03-04, 400 4x4 w/MT 01-04, 400 FIS 2x4 w/AT 03-04, 400 FIS 2x4 w/MT 03-04, 400 FIS 4x4 w/AT 03-06, 400 FIS , Shock Kit - Rear Arctic Cat 250 2x4 99-05, 250 4x4 01-05, 300 2x4 98-04, 300 4x4 98-05, 375 2x4 w/AT 02, 375 4x4 w/AT 02, 400 2x4 98-01, 400 4x4 98-00, 400 4x4 w/AT 03-04, 400 4x4 w/MT 01-04, 400 FIS 2x4 w/AT 03-04, 400 FIS 2x4 w/MT 03-04, 400 FIS 4x4 w/AT 03-06, 400 FIS