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Advance Adapters debuted its latest low-range Jeep sensation; the Rubi Crawler. This bolt-on planetary unit installs in place of the tailhousing for any Jeep equipped with the 42RLE automatic ('03-'06 TJs and '07-'09 JKs). The unit requires no driveline modifications and adds an extra gear reduction of 2.72:1. Estimated pricing is said to be around $1,600, and the unit is expected to be available by the end of March 2009. Info: 800/350-2223,