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About Athena Stock Bore Race Cylinder Kits
Athena Stock Bore Race Cylinder Kits
- 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.
Warning: California Proposition 65