DU3420 V-438 WITH SPRING 65-1091-16-65 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. C14 R14 clicks out Race tech spring put on at 8mm preload. TIWI