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.

⚠ WARNING Cancer and Reproductive Harm –

Additional information

Weight 5 lbs
Dimensions 13 × 13 × 4.5 in