Polaris RZR Turbo R & 2025+ PRO XP 13/13/34 Gear Reduction Kit

The gearing NEEDED for running 37's on your Turbo R OR 2025 Pro XP

This is roughly 13% reduction in low and reverse, and 34% reduction in high.

Be sure to add a HD pinion plate while inside the transmission

We very highly recommend our clutch kit for use with this gearing!