1 set OEM forks with no evidence of Öhlins equipment inside. Replaced seals. Refilled with fresh oil. TIWI SU5031 120301 with spring (no numbers on spring), Cleaned (standard - included). Performed service. Seal heads rebuilt, or replaced as needed. Shims inspected and replaced as needed. Shaft inspected/polished, or replaced as needed. Replaced functional seals. Refilled with fresh oil. Set nitrogen pressure to spec. C12 R14 clicks out