Description

Restore full valve train function with the REV6 Complete Valve Kit for the Can-Am Outlander 850 (2016–2025). This kit contains all the essential components needed to rebuild both intake and exhaust sides of your engine’s head.

Each valve and stem seal is manufactured to align with factory specifications and tested for sealing and durability. As a result, you’ll regain proper compression, reduce blow-by, and improve overall efficiency. The kit ships nationwide and includes a 1-year warranty. You may also choose to add a 2-year no-fault warranty upgrade. Having rebuilt many Powersports engines and parts, REV6 guarantees reliability in every component.

Need insight on install steps or clearance specs? Browse the REV6 Blog or check our FAQ section. You can also reach support through the Contact page. Therefore, whether you’re doing a head rebuild or a valve servicing job, this kit supplies what you need to finish confidently.

This Kit Includes:

• (4) Intake Valves — Replaces OEM#: 420254367
• (4) Exhaust Valves — Replaces OEM#: 420855029
• (8) Valve Stem Seals — Replaces OEM#: 420430420

Take Action

Place your order today and experience professional-grade valve components from REV6. For warranty details and support, see our warranty policy or our core return program.

If you need flexible payment, check our financing options or visit the Help Center for shipping and installation help. Because your rebuild matters, we make the process as smooth as possible from order to completion.

Thank you for choosing REV6 — trusted by riders who demand precision, performance, and long-term reliability from their Powersports engines and parts. We proudly offer exclusive discounts for veterans and servicemembers as a token of respect.