Description
The exhaust valve is critical to your CRF450R’s combustion efficiency—a worn or inferior valve directly impacts power delivery, fuel economy, and engine longevity. The HOT CAMS 8400027-5 is a forged, precision-engineered replacement that restores OEM fitment while adding performance-grade durability through advanced coatings and hardening processes. If you’re running high RPMs or pushing your engine hard, this valve ensures reliable sealing and optimal flow when it matters most.
- Forged one-piece construction
- Precision machined head
- Nitride coating applied
- Induction hardened stem
- Polished surface finish
- OEM keeper compatible
- Honda CRF450R 2013–2020
- MPN: 8400027-5
- Bolt-on installation
- Enhanced wear resistance
