The Yukon Gear 's ring and pinion gear set will really help out those of you with larger wheels and tires. With bigger tires you will have increased rotational mass which adds a slight load to your engine. The Yukon Ring and Pinion gear set will accommodate the larger tires made for extreme off-road conditions while improving fuel-economy, and low-end torque.
If you're vehicle frequents areas of extreme terrain, or harsh weather conditions, then this ring and pinion is for you. These are quiet, strong, and easy to set up.