Description
2025-2026 Polaris RZR Pro S Sport, Premium, and Ultimate Master Engine Rebuild Kit
This master kit fits rebuilds that extend through the cylinder head and bottom end. It covers 2025-2026 Polaris RZR Pro S Sport, Premium, and Ultimate models.
Custom Bearings Included
We do the bearing calculations for you!
This kit includes Custom Bearings specifically for your machine. After purchase, please call or text us at (801) 489-8697 and provide us with your case, rod and crank numbers so we can get you the bearings you need. Missing information may delay your order.
This Kit Includes
- Cylinder
- Crankshaft
- Rod Kits
- STD Piston Kits
- Complete Gasket Kit
- Intake and Exhaust Valves
- Timing Chain
- Oil Pump Chain
- Crankshaft, Rod, and Counterbalance Bearings
- Oil Seal Set
Compare the Polaris RZR Pro S Kit Levels
If your existing intake and exhaust valves remain usable, compare the Polaris RZR Pro S Complete Engine Rebuild Kit. If both the cylinder and valves remain serviceable, review the Polaris RZR Pro S Engine Rebuild Kit.
Inspect and Measure Before Assembly
Check the engine cases, cylinder head, oiling system, and reusable components before installation. Also, confirm bearing and piston clearances using the correct service specifications. Address any additional wear before final assembly.
Parts Warranty and REV6 Support
This kit includes a 1-year parts warranty and ships nationwide. Read the REV6 warranty policy, or contact REV6 for help comparing the available Pro S kits.













