Polaris RZR Pro S Sport Premium Ultimate Master Engine Refresh Kit 2025-2026

Description

Master Engine Refresh Kit for the 2025-2026 RZR Pro S

This Master Engine Refresh Kit fits listed 2025-2026 Polaris RZR Pro S Sport, RZR Pro S Premium, and RZR Pro S Ultimate models. It brings together the specified bearing, sealing, timing, piston ring, and valvetrain components for engine refresh work.

REV6 master engine technicians design and assemble our engine parts kits around the listed fitment. This package is also backed by a 1-year REV6 parts warranty.

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.

What This Kit Includes

• Oil Seal Kit
• Timing Chain
• Oil Pump Chain
• Balance Shaft Bearings
• Complete Gasket Kit
• Complete Bearing Kit
• (2) Piston Rings
• (4) Intake Valves
• (4) Exhaust Valves

Do You Need the Valve Components?

If intake and exhaust valves are not part of your planned engine work, compare this package with the 2025-2026 Polaris RZR Pro S Complete Engine Refresh Kit. Its component mix provides another refresh option for the same RZR Pro S model family.

Working with the Piston Rings?

Before assembly, review the REV6 Piston and Ring Installation Guide. You can also use our Piston Ring Gap Guide when checking ring gap during your engine work.

Prefer an In-House REV6 Engine Rebuild?

If you decide against completing the engine work yourself, explore the 2025-2026 Polaris RZR Pro S Engine Rebuild. The engine page explains the rebuild process, core requirements, and available warranty options.

Need Help Planning Your RZR Pro S Refresh?

If you have questions about fitment or which parts package matches your engine work, contact REV6. Our team can help you compare the available RZR Pro S rebuild options.