Change a CJ or Scout’s 2.6:1 stock ratio to a true, 4.0:1 low-range ratio. This low-range gear replacement kit benefits from the Dana 300’s strength and durability. It allows the Jeep® owner to enhance trail performance by maximizing the crawl ratio. Installation of this kit into your transfer case will increase your crawl ratio by 50 percent. This kit is easy to install. There are no driveshaft changes, or special shift linkages required. It comes complete with all necessary gaskets and seals. A new shift rail with increased detent pockets to help with twin stick applications. Scout owners: Scout owners can purchase the Low300SC for 1980 Scouts (manual transmissions). The Low300SCAUTO is designed for automatic transmissions. The Scout kit requires some internal case grinding. Overhaul kit: The TC300 overhaul kit is available for anyone needing the bearings and seals to completely overhaul the Dana 300 t-case.