Description
Can-Am Maverick 1000 X3 Master Top-End Rebuild Kit for 2017-2023 Models
When your Maverick X3’s top end starts smoking or loses compression, you need a rebuild kit that covers every critical component. First, this REV6 Master Top-End Rebuild Kit provides a complete gasket set for leak-free sealing. Then, three piston kits restore lost compression and reduce blow-by. After that, six intake and six exhaust valves—each forged for strength—ensure reliable valve train performance. Finally, every part is hand-picked and precision-engineered to match or exceed OEM specifications.
Our Master Engine Technicians assemble and inspect each kit, so fitment is perfect and performance is consistent. We back every component with a 1-year warranty, and nationwide shipping both ways makes core returns and rebuilds hassle-free. As a result, you spend less time waiting and more time tearing up the trail.
Whether you’re tackling rock gardens, dune runs, or daily trail work, this all-in-one kit brings your Maverick’s top end back to life, stronger than new.
This Kit Includes:
(3) Piston Kit REPLACES OEM#: 420893970
(6) Intake Valve REPLACES OEM#: 420855133
(6) Exhaust Valve REPLACES OEM#: 420855146
(1) Cam V Ring REPLACES OEM#: 420630127
(6) Cam Housing Rings REPLACES OEM#: 420431760
(1) Exhaust Gasket REPLACES OEM#: 420431850
(1) Head Gasket REPLACES OEM#: 420431816
(1) Cam Tensioner Gasket REPLACES OEM#: 420430623
(12) Valve Guide Seals REPLACES OEM#: 420431761
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Warranty Policy for coverage details
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FAQ for shipping, cores, and installation tips
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Rebuild once—ride confidently. Order your Master Top-End Kit today.













