Cylinder Works Big Bore Cylinder Kit 4.00mm Oversized to 100.00mm - 12.1:1 Compression - 11002-K01 | Honda CRF450R 2002-2008

Features:

• (+4mm Big Bore Kit) 488cc. 12.1:1 compression, 100.00mm. Uses Vertex #22966. When using Hot Rods #4148 makes 511cc.
• Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
• Three kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big Bore
• Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
• Nickel Silicon Carbide plated for long life
• Kits come complete with gaskets, cylinder, piston, rings, pin and clips
• Big bore cylinders do not require machine work (unless noted)

Technical Specifications:

• Compression Ratio (x:y): 12.1:1
• Cylinder Diameter (mm): 100.00
• Displacement (cc): 488.00
• Size Over Standard: 4.00