Trail Gear 4.70 Replacement Input Gears

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These gears allow you to replace the input gear in your 4.70 transfer case gear set or install your gear box in a case with a different input. Trail-Gear's 21-Spine and 23-Spline i nput gears are made from heat-treated and carburized SCM415 alloy steel. These gears fit RF1A transfer cases. Show more