The Hot Cams Exhaust Valve Steel, manufacturer part number 8400002-5 and vendor part number 8400002-5, is designed for dependable replacement performance in select Honda CRF450R applications. This forged steel exhaust valve is precision machined to support accurate installation and reliable operation in the engine’s valvetrain.
Designed and manufactured to meet or exceed OEM specifications and standards, this Hot Cams valve is compatible with original equipment keepers and retainers. It provides a practical replacement solution for riders and technicians servicing the exhaust side of the cylinder head while maintaining compatibility with the factory valvetrain components.
Fitment includes the 2007 Honda CRF450R and 2008 Honda CRF450R. Verify the motorcycle model year and existing valve components before installation to ensure proper application. The Hot Cams brand and 8400002-5 part number provide clear identification when selecting replacement engine hardware for maintenance or rebuild work.
Features:
- Construction: Forged steel for durable valvetrain service
- Machining: Precision machined for accurate fit and installation
- Compatibility: Works with OEM keepers and retainers
- Quality: Designed and manufactured to meet or exceed OEM specifications and standards
- Fitment: Fits 2007–2008 Honda CRF450R models
Fitment:
2007 Honda CRF450R
2008 Honda CRF450R