Replacement 21-Spline & 23-Spline 4.70 Input Gears



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 input gears are made from heat-treated and carburized SCM415 alloy steel. These gears fit RF1A transfer cases.

Additional information

Weight 5 lbs
Dimensions 13 × 13 × 5 in
Input Gear

21-Spline, 23-Spline


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