Samurais are incredibly capable off-road. Unfortunately they are limited by their minuscule 26-inch diameter tires. Even small jumps in tire size result in terrible high range gearing. You may even lose the ability to use 5th gear on the road. Luckily the Samurai has a very unique transfer case that is easy to re-gear with near stock high range and very deep low range gears.
Lower low range gears (numerically higher ratio) are essential for rock crawling. Our 4.16:1 gears reduce low range by 84 percent while high range is reduced only 12 percent. That high range reduction is the sweat spot for 29-inch to 30-inch tires.
Each kit contains:
- New precision cut gears
- New counter shaft
- Needle bearing
- Gasket kit
- Trail-Safe input and output seals
Choosing the right material for our gears was our top priority. Gears that perform well under load and street driving require a high-quality steel alloy material. We chose Japanese alloy SCM415 for its great strength and wear resistance. SCM415 outperforms the 8620 material in yield and ultimate tensile strength resulting in a gear that is less prone to chipping or cracking. SCM415 also retains its strength under high-temperature use. High carbon materials such as SCM420 or 8620 are not the best choice in our experience and opinion as they do not carburize as well and can become brittle.
Note: The recommended tire size for the 4.16 gears is 29 inch-30 inch
Please Note: Non-USA Models may need a new US Specific Low Speed Output Gear