Vertex 22966B Big Bore Piston Kit

**Verify the part fits before purchasing**Specs:Description: Forged Big Bore Piston KitCompression Ratio: 12.1:1Cylinder Bore: 100.00Piston Diam: 99.970Displacement: 490.00Size Over STD: 4.0Notes: Big Bore Piston kit; +4mm makes 488cc. Kit includes: Piston, rings, pin, clipsFits:Honda CRF 450 R 2002-2008, CRF 450 X 2003-2017

• Specs: Forged Big Bore Piston Kit, Compression Ratio: 12.1:1, Cylinder Bore: 100.00, Piston Diameter: 99.970, Displacement: 490.00, Size Over STD: 4.0, Notes: Big Bore Piston kit; +4mm makes 488cc. Kit includes: Piston, rings, pin, clips
• Meets or Exceeds OEM Specs for Fit and Performance
• Compatible With/Replacement For: Honda CRF 450 R 2002-2008, CRF 450 X 2003-2017
• 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
• 100% New aftermarket Forged Big Bore Piston Kit built to meet OEM specifications