EVP Shift-Tek Ultimate Clutch Kit For Polaris RZR TURBO R, 2021+ PRO XP & 2021 XP TURBO/S

DESCRIPTION Gaining the correct engagement is key for overall performance as well as proper launch control. Let your RZR reach its full potential with EVP’s Shift-Tek Ultimate Clutch Kits for all Pro XP and turbo R models, and 2021 XP Turbo/S models.  Available in High Engagement (2600 RPM) or Low Engagement (2200 RPM) packages, these kits are designed and calibrated for better belt life, maximum traction and quicker back shifts. Whether you’re a hardcore racer or everyday duner or trail rider, we’ve got calibrations that’ll keep you on the gas and ensure the best riding experience possible.  Available in High (notched weights) or Low (straight weights) Engagement kits Springs are made from chrome silicon steel alloy, which is stronger than most alloys Stiffer primary spring compared to OEM, allowing more belt squeeze to eliminate slippage Replacement secondary spring increases back shift speed 38-48 Progressive Helix will help eliminate belt slip while adding better grip for smooth