EVP UTV Polaris RZR Turbo R, Pro XP & XP Turbo S - 2021 Shift-Tek Ultimate Clutch Kit

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 everyday duner or trail rider, we’ve got calibrations that’ll keep you on the gas and ensure the best riding experience possible. 

EVP UTV Polaris RZR Turbo R, Pro XP & XP Turbo S - 2021 Shift-Tek Ultimate Clutch Kit Features:

• 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 or 36-42 (2020 Pro XP) Progressive Helix will help eliminate belt slip while adding better grip for smoother back shifts

• Shift-Tek weights feature specific geometry catering to the Polaris OEM clutches

• All EVP clutch kits are designed to work with both the OEM and EVP BAD ASS Belts

• Kits are compatible with all RZR Pro XP and Turbo R models, and 2021 XPT/S models only

• Designed, tested, and manufactured in the U.S.A.

Pro-XP, Turbo R & XP Turbo/S Ultimate Clutch Kits Include:

• EVP Adjustable Weight SET (Choose High or Low)

  • High Engagement: 2400 RPM engagement, notched 

  • Low Engagement: 1800 RPM engagement, non-notched 

• EVP Silver Primary Spring:

  • When used with High Engagement (notched) weights, RPM engagement increases to 2600 RPM compared to the stock 1800 RPM engagement 

  • Low Engagement (non-notched) weights + Silver Primary Spring increases engagement to 2200 RPM

  • Silver Spring alone with no weights = 2200 RPM engagement

• EVP Turquoise Secondary Spring: stiffer than stock to allow better belt squeeze, increase back shift speed, and eliminate belt slip to reduce heat and eliminate potential blowouts

• EVP 38-48 Helix for Polaris P90X-HD Clutch or 36-42 Helix for 2020 Pro XP models

Fitment

• 2021 Polaris RZR XP Turbo/S

• 2020+ Polaris RZR Pro XP

• 2022 Polaris RZR Turbo R