Vertex VTKTC23958A Top End Piston Kit Compatible with/Replacement For Yamaha WR 450 F 2016-2018, YZ 450 F 2014-2017, YZ 450 FX 2016-2018 97mm Cylinder Dia, 450 cc Displacement, 96.94 mm Piston Dia

**Verify the part fits before purchasing**Specs:Description: Top End Piston KitCompression Ratio: 12.5:1Cylinder Diameter: 97 mmDisplacement: 450 ccPiston Diameter: 96.940mmCompatible With/Replacement For:Yamaha WR 450 F 2016-2018, YZ 450 F 2014-2017, YZ 450 FX 2016-2018

• Specs: Top End Piston Kit, Compression Ratio: 12.5:1, Cylinder Diameter: 97 mm, Displacement: 450 cc, Piston Diameter: 96.940mm
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• 100% New Aftermarket Top End Piston Kit built to meet OEM specifications