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Cylinder Works 02-06 Honda CRF 450 R 450cc Standard Bore High Compression Cylinder Kit 12.5:1 Comp.

Regular price $599.21
Regular price $704.95 Sale price $599.21
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+$59.92 back w/ Pro
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OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

  • Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
  • Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention