This Adapter Kit attaches to the front of a 4cyl Gear Drive RF1A Transfer Case, allowing it to be bolted behind the 1988-1995 3.0L 3VZ-E type R150F 5-speed 6cyl transmission.
Please note that this Kit requires a 23-spline Gear Drive Transfer Case for maximum strength, which we offer separately as our XD Total-Spline 23-spline Input Gear or our Competition Total-Spline 23-spline Input Gear.
Because this kit allows gear drive transfer case family components to be mated behind a 6cyl transmission, you can use this attached to the front of a Dual Case Unit in order to use the venerable 4cyl Dual Case Crawler behind a 6cyl drive train.
Kit includes the following:
- Adapter Plate
- Female-to-female 23-23 Coupler
- Hardware and Oil Seals
- Instructions
Made in the USA













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