Atlas Ultra Low 3.8:1 Transfer Case

Advance Adapters Atlas Ultra Low 3.8:1 Transfer Case Complete with Sight Tube

This unit works well in all applications. The Atlas 3.8 is a good choice for the avid 4-wheeler, since this low gear ratio is ideal for moderate to some extreme rock crawling. Most vehicles equipped with an automatic transmission rely on their braking capability in rugged terrain. This 3.8 low ratio works well with automatic transmissions.