Description
The intake valve is critical to your CRF150R’s breathing efficiency—a worn or stock valve directly limits combustion chamber sealing and power delivery. Hot Cams’ forged, nitride-coated design eliminates the weak points of OEM valves, delivering measurable gains in reliability and performance under sustained high-RPM operation. If you’re serious about extracting consistent power from your 150, this is a non-negotiable upgrade.
This is a bolt-on replacement that installs using your existing OEM valve keepers, so no additional fabrication or modification is required. You’ll notice the difference immediately in throttle response and mid-range power, especially if your machine sees regular track time or aggressive trail use.
- Forged one-piece construction
- Nitride coated surface
- Precision machined head
- Induction hardened stem
- Polished airflow path
- OEM keeper compatible
- Direct bolt-on installation
- Honda CRF150R 2007–2021
- MPN: 8400020-2









