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Transfer Case

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T-Case Wonder
The two-speed Monster Box transfer case from STaK was a no-brainer addition to the Jeep. The case is cast from 356 alloy aluminum and then hardened to a T6 condition. The cases come with selection of gearing, but I chose 4.29:1. The gears are manufactured from ASTM alloy 8620 and heat-treated to Rockwell "C" 58-60.