Description

Polaris Ranger / Sportsman 450 & 500 Top End Rebuild Kit (2017–2022)

Refresh the upper half of your engine with this Top End Rebuild Kit for applicable 2017–2022 Polaris Ranger and Sportsman 450 / 500 models. This package includes the core components commonly replaced during top-end service and is built to help simplify your rebuild process.

Whether you’re restoring compression, addressing normal wear, or rebuilding after teardown, this kit gives builders a straightforward option without stepping into a larger complete engine package.

This Kit Includes

• Moly Forged Piston
• Top End Gasket Kit

Fitment

• Polaris Ranger 450
• Polaris Ranger 500
• Polaris Sportsman 450
• Polaris Sportsman 500
• Applicable 2017–2022 models

A Simple Way to Refresh the Top End

Top-end service is commonly performed when rebuilding compression components or replacing worn piston parts. Pairing the piston with matching gasket components helps simplify assembly and reduces the need to source additional sealing parts.

This kit is a good fit for builders who already have a usable cylinder and want to focus on refreshing piston-related wear items.

Helpful Related Parts

• Polaris Prostar STD Piston Kit
• Polaris Prostar Cylinder
• Polaris Ranger 450/500 Gasket Seal Kit
• Complete Top End Rebuild Kit
• Engine Rebuild Kit

Need help choosing the right rebuild level? Review our Engine Rebuild Kit Guide.

Support & Resources

Need help confirming fitment before ordering? Visit Contact REV6.

You can also review our Warranty Policy, browse the FAQ, or visit the Help Center.

Need additional flexibility for your rebuild project? Explore our financing options.

Take Action

Order your Polaris Ranger / Sportsman 450 & 500 Top End Rebuild Kit and keep your rebuild moving with components selected to support dependable engine performance.

Thank you for choosing REV6 — your trusted source for high-performance powersports engines and parts. Proudly supporting U.S. veterans and servicemembers with special discounts.