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Athena Stock Bore Race Cylinder Kits - P400221010059



Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
Easy-to-follow step-by-step installation instructions
Most are bolt-on; no machining required except where noted
Include aluminum cylinder with nickel-carbide coating, ported to Factory Works specs
Two-stroke kits include an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted)
Two-stroke kits feature specially designed, high-performance, hard-anodized power valves (cannot use OEM)
Easy-to-follow, step-by-step installation instructions

Product Series

Application List

2017 - 2021HondaCRF450RNone

Shipping Information

  • Item Requires Shipping
  • Free Ground Shipping (1 - 5 Days)