Description
Top End Rebuild Parts for the 2025-2026 Pro S
This Top End Rebuild Kit fits 2025-2026 Polaris Pro S Sport, Premium and Ultimate models. It provides the specified piston and gasket components for top-end engine work.
REV6 master engine technicians design and assemble our engine rebuild kits for the listed fitment.
What This Kit Includes
- Top-end gasket set
- (2) Moly upgraded pistons
Installing Your Pro S Pistons?
Piston installation requires careful attention to orientation and ring setup. Before assembly, review the REV6 Piston and Ring Installation Guide and learn how to check piston ring gap.
Compare the Master Top End Refresh Kit
Need a different top-end parts package? The 2025-2026 Polaris Pro S Master Top End Refresh Kit includes piston rings and intake and exhaust valves rather than the upgraded piston package listed here. Compare the exact contents before choosing between the two.
REV6 Engine Rebuild Option
If you decide against completing the rebuild with parts, send your engine core to REV6 for a 2025-2026 Polaris RZR Pro S Engine Rebuild. Our team completes the engine rebuild in-house.
Warranty and Support
This kit is backed by a 1-year REV6 parts warranty. Contact REV6 if you need help confirming fitment or selecting parts for your Pro S rebuild.













