Description
Complete Valve Kit for Can-Am Maverick X3 1000
The Can-Am Maverick X3 Complete Valve Kit includes new intake valves, exhaust valves, and valve guide seals for 2017-2023 models. Replacing these components together helps restore proper valve sealing, maintain compression, and support dependable engine performance after a cylinder head rebuild.
Before Installing New Valves
Inspect the Cylinder Heads
Before installation, inspect the valve guides, valve seats, springs, retainers, and cylinder heads for wear or damage. Verify that the valve seats are properly machined and clean all components before final assembly.
What This Kit Includes
Valve Train Components
- (6) Intake Valves — REPLACES OEM#: 420855133
- (6) Exhaust Valves — REPLACES OEM#: 420855146
- (12) Valve Guide Seals — REPLACES OEM#: 420431671
When Should Valves Be Replaced?
- Burnt or leaking valves
- Valve faces or stems show excessive wear
- Low compression caused by valve leakage
- Cylinder heads are being completely rebuilt
- Valve guide seals are due for replacement during service
Fitment
2017-2023 Can-Am Maverick X3 1000
This Complete Valve Kit fits 2017-2023 Can-Am Maverick X3 1000 models. Confirm your model and inspect all cylinder head components before installation.
Helpful Resources
Plan Your Cylinder Head Rebuild
Review our Can-Am Maverick X3 Engine Rebuild Guide for engine inspection tips and rebuild planning before servicing your cylinder heads.
Need a Complete Top End Kit?
If your rebuild also requires pistons, gaskets, and additional top-end components, explore our Can-Am X3 Engine Rebuild Kit Guide to compare the available rebuild kit options.
Warranty & Support
REV6 Parts Warranty
This Complete Valve Kit is backed by the REV6 1-year parts warranty.
Need Help Confirming Parts?
If you have questions about valve replacement or selecting the correct parts for your engine, contact the REV6 team. We’re here to help before your rebuild begins.













