Nitro Gears are exceptional. Special lapping process that makes them setup super consistently & run on the quiet side. We & many other shops around the nation prefer to use Nitro Gear
While the transfer case reduction gears are great for slow crawling, hill decents, and steep climbs in offroad, the benefit is limited to low-range only. I look at these as Icing on the cake, as a compliment to proper diff gearing. Not as a substitute. If you are running 33” + on stock...
We have both of your considered options available at JustDifferentials.com
Nitro Gear & Axle Landcruiser 80 Series Transfer Case Low Range Gear Set: MCTC-1131
Nitro Gear & Axle Landcruiser 80 Series Gear Package Kit: Toyota Land Cruiser 70 80 Series Gear Packages