The Hot Cams 8400027-5 Exhaust Valve Steel is a precision-engineered replacement valve designed for select Honda CRF450R and CRF450RX applications. Forged for strength and durability, this exhaust valve supports reliable performance in demanding off-road and motocross environments. It is manufactured to meet or exceed original equipment specifications and standards, providing a dependable alternative for engine rebuilding or valve train service.
Designed for compatibility with OEM keepers and retainers, the Hot Cams 8400027-5 helps simplify installation when servicing the cylinder head. Its precision-machined construction promotes accurate fitment and consistent operation within the valve train. This steel exhaust valve is suitable for riders, technicians, and engine builders seeking a quality replacement component from a recognized performance manufacturer.
Fitment includes the 2013–2016, 2019, and 2020 Honda CRF450R, along with the 2017–2019 Honda CRF450RX and the 2019 Honda CRF450R W.E. Verify the motorcycle model and year before installation to ensure proper application. The brand is Hot Cams, the manufacturer is Hot Cams, and the manufacturer and vendor part number is 8400027-5.
Features:
- Construction: Forged steel design for strength and durability
- Machining: Precision-machined for accurate valve train fitment
- Compatibility: Works with OEM keepers and retainers
- Standards: Designed and manufactured to meet or exceed OEM specifications and standards
- Fitment: Fits 2013–2016, 2019, and 2020 Honda CRF450R models; 2017–2019 Honda CRF450RX models; and the 2019 Honda CRF450R W.E.
Fitment:
2013 Honda CRF450R
2014 Honda CRF450R
2015 Honda CRF450R
2016 Honda CRF450R
2017 Honda CRF450R
2017 Honda CRF450RX
2018 Honda CRF450R
2018 Honda CRF450RX
2019 Honda CRF450L
2019 Honda CRF450R
2019 Honda CRF450R W.E.
2019 Honda CRF450RX
2019 Honda CRF450X
2020 Honda CRF450L
2020 Honda CRF450R
2020 Honda CRF450R W.E.
2020 Honda CRF450RX
2020 Honda CRF450X
2021 Honda CRF450R
2021 Honda CRF450R W.E.
2021 Honda CRF450RX
2021 Honda CRF450X
2022 Honda CRF450R
2022 Honda CRF450R W.E.
2022 Honda CRF450RX
2022 Honda CRF450X
2023 Honda CRF450R
2023 Honda CRF450R W.E.
2023 Honda CRF450RX
2023 Honda CRF450X
2024 Honda CRF450R
2024 Honda CRF450R W.E.
2024 Honda CRF450RX
2024 Honda CRF450X
2025 Honda CRF450R
2025 Honda CRF450R W.E.
2025 Honda CRF450RX
2025 Honda CRF450X