Description
The stock cylinder in your 2014-2017 YZ450F limits your engine’s potential—this big bore kit unlocks measurable horsepower and torque gains while maintaining reliability. By increasing displacement without requiring custom machine work, you gain the benefits of a larger engine in a bolt-on package. Whether you’re chasing lap times or simply want more responsive power delivery, this Cylinder Works upgrade delivers the performance upgrade serious riders demand.
- Direct bolt-on installation
- Matched Vertex pistons included
- Nickel Silicon Carbide plating
- No machine work required
- Complete gasket kit supplied
- Piston rings and clips included
- U.S.A. manufactured
- Fits YZ450F 2014-2017
- MPN: 21005K02
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