Description
If you’re running a YFZ450 and want measurable gains in displacement, power, and torque without the hassle of custom machine work, this big bore kit delivers. The matched Vertex pistons and nickel silicon carbide-plated cylinder work together to reduce noise while maximizing combustion efficiency. Direct bolt-on installation means you’re back on the track or trail without unnecessary downtime or fabrication costs.
- Bore size increased displacement
- Matched Vertex pistons included
- Nickel Silicon Carbide plating
- Bolt-on installation required
- Complete gasket set included
- Piston rings and clips
- Wrist pin included
- U.S.A. manufactured
- OEM-style aesthetics
- Yamaha YFZ450 2004-2013
- MPN: 23001-K01
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