Description
Master Top End Rebuild Parts for the 2021-2026 RZR 1000
This Master Top End Rebuild Kit fits listed 2021-2026 Polaris RZR 1000 Trail S, EPS, Ultimate, and Premium models. It brings together the specified cylinder, piston, valve, and gasket components for top-end engine rebuild work.
REV6 master engine technicians design and assemble our rebuild kits around the listed engine and model fitment.
This Kit Includes
- Cylinder
- STD Piston Kits
- Intake/Exhaust Valves
- Top End Gasket Kit
Compare RZR 1000 Top End Rebuild Options
Not every top-end rebuild calls for the same parts. REV6 also offers a Complete Top End Rebuild Kit and a Top End Rebuild Kit for this 2021-2026 RZR 1000 fitment. Compare the listed components in each package with the parts needed for your rebuild.
Installing the Pistons and Rings?
Before assembly, use the REV6 Piston and Ring Installation Guide for additional installation information. Our Piston Ring Gap Guide also covers checking ring gap during an engine rebuild.
Prefer to Send Your Engine to REV6?
If you would rather have REV6 handle the rebuild, send us your engine core for our 2021-2026 Polaris RZR Trail S 1000 Ultimate Engine Rebuild. Our team completes the rebuild in-house and performs quality-control checks before the engine leaves our Utah facility.
REV6 Parts Warranty and Support
This Master Top End Rebuild Kit is backed by a 1-year REV6 parts warranty. If you have questions about fitment or which RZR 1000 rebuild package matches the parts you need, contact the REV6 team.













