This replaces the factory 42RLE (automatic) transmission tailhousing on 03-11 Jeep Wranglers to offer an additional 2.72:1 low range reduction when needed. The 6-gear planetary reduction box is a direct bolt-in and fits between the transmission and factory transfer case (or Atlas Case) and includes vehicle specific shifters to allow an OEM style installation. Because the RubiCrawler is the same length as the original tailhousing, no additional modifications are required and the existing drive shafts can be kept.
On TJ and LJ, these bolt up to the factory NP231 or NP241OR transfer case, or an aftermarket transfer case like an Atlas 2 Speed. Custom shifters are included for an OEM style installation.
On Jeep JK, these bolt up to the factory transfer case, or an aftermarket transfer case like the Atlas Case. An electronic interface is included to work seamlessly with the factory engine computer and dash cluster. An optional heavy-duty shift kit is also available as an upgrade.
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