Hot Selling XRAY XB4 Active Differential – Front/Rear – Set

Front/Rear Active Differential set for XB4. The unique XRAY Active Differential is a high-performance, adjustable front gear differential for XB4 … vastly improving the buggy’s speed and handling characteristics. The special design of the internal components using different angled segments allows the diff gears to engage on-power to increase the forward traction, making it faster and easier to drive.

While the XRAY Active Differential is a performance option for serious racers who want to gain an edge on superior speed and handling, it is also of great benefit to drivers of all levels that want a more predictable and easy-to-drive car in all racing conditions.

Fits XB4’20-21