The Hot Rods 4428 crankshaft is a complete, installation-ready replacement designed for select Honda CRF450R and CRF450RX models. It is a premier alternative to a costly OEM crankshaft, providing dependable performance and durability for motocross, off-road, and competition applications. Each crankshaft is factory assembled and trued to OEM specifications using proven Hot Rods connecting rods, top-end bearings, and crankshaft webs.
Fitment: This Hot Rods crankshaft fits the 2017–2020 Honda CRF450R and CRF450RX, including the 2019 and 2020 CRF450R Works Edition models where specified. Verify the motorcycle year and model before ordering to ensure proper compatibility.
The Hot Rods 4428 crankshaft is fully rebuildable with genuine Hot Rods connecting rods and bearings, helping simplify future engine service. Its gears are manufactured to DIN Class 9 or higher quality standards for precise operation and reliable service life. The assembly is engineered as a direct replacement in compatible applications and is supplied ready for installation.
Manufacturer: Hot Rods
Brand: Hot Rods
Manufacturer Part Number: 4428
Vendor Part Number: 421-4428
Features:
- Complete crankshaft assembly ready for installation
- Premier alternative to a costly OEM crankshaft
- Includes proven Hot Rods connecting rods, top-end bearings, and crankshaft webs
- Factory assembled and trued to OEM specifications
- Designed to meet or exceed OEM performance and durability
- Fully rebuildable with genuine Hot Rods connecting rods and bearings
- Gears manufactured to DIN Class 9 or higher quality standards
- Fits select 2017–2020 Honda CRF450R and CRF450RX models
- Direct replacement design requiring no modification in most compatible applications
Fitment:
2017 Honda CRF450R
2017 Honda CRF450RX
2018 Honda CRF450R
2018 Honda CRF450RX
2019 Honda CRF450R
2019 Honda CRF450R W.E.
2019 Honda CRF450RX
2020 Honda CRF450R
2020 Honda CRF450R W.E.
2020 Honda CRF450RX
2021 Honda CRF450R
2021 Honda CRF450R W.E.
2021 Honda CRF450RX
2022 Honda CRF450R
2022 Honda CRF450R W.E.
2022 Honda CRF450RX
2023 Honda CRF450R
2023 Honda CRF450R W.E.
2023 Honda CRF450RX
2024 Honda CRF450R
2024 Honda CRF450R W.E.
2024 Honda CRF450RX
2025 Honda CRF450R
2025 Honda CRF450R W.E.
2025 Honda CRF450RX