The PROX Titanium Intake Valve, part number 28.6419-2, is designed as a direct-fit replacement for select Husqvarna and KTM 450 and 501 motorcycles. Manufactured to OEM specifications, this intake valve supports reliable engine operation and helps restore proper valve-train performance during an engine rebuild or cylinder head service.
Built for demanding off-road, motocross, and competition applications, the PROX valve is engineered to match the required fit and function of the original component. It is suitable for the 2019 Husqvarna FX 450 and FS450; 2020 Husqvarna FX 450, FE 450, FE 501, and FS450; and 2021 Husqvarna FE 501, FX 450, FE 450, and FS450. Verify the motorcycle model and year before ordering to ensure correct application.
Each valve is sold individually. The PROX 28.6419-2 provides a dependable replacement solution for worn, damaged, or serviceable intake valves while maintaining compatibility with the specified OEM-style fitment. Manufacturer: PROX. Vendor part number: 28.6419-2. Fitment includes the listed Husqvarna applications and may also correspond to select KTM models using the same valve specification; consult the applicable service information for final verification.
Features:
- Construction: Titanium intake valve manufactured to OEM specifications
- Application: Direct-fit replacement for specified Husqvarna 450 and 501 models
- Fitment: 2019 Husqvarna FX 450 and FS450; 2020 Husqvarna FX 450, FE 450, FE 501, and FS450; 2021 Husqvarna FE 501, FX 450, FE 450, and FS450
- Brand: PROX
- Part Number: 28.6419-2
- Packaging: Sold individually
Fitment:
2019 Husqvarna FC 450
2019 Husqvarna FS450
2019 Husqvarna FX 450
2019 KTM 450 SX-F
2020 Husqvarna FC 450
2020 Husqvarna FE 450
2020 Husqvarna FE 501
2020 Husqvarna FS450
2020 Husqvarna FX 450
2020 KTM 450 EXC-F
2020 KTM 450 SX-F
2020 KTM 500 EXC-F
2021 Gas-Gas EX 450F
2021 Gas-Gas MC 450F
2021 Husqvarna FC 450
2021 Husqvarna FE 450
2021 Husqvarna FE 501
2021 Husqvarna FS450
2021 Husqvarna FX 450
2021 KTM 450 EXC-F
2021 KTM 450 SX-F
2021 KTM 500 EXC-F
2022 Gas-Gas EX 450F
2022 Gas-Gas MC 450F
2022 Husqvarna FC 450
2022 Husqvarna FE 450
2022 Husqvarna FE 501
2022 Husqvarna FS450
2022 Husqvarna FX 450
2022 KTM 450 EXC-F
2022 KTM 450 SX-F
2022 KTM 500 EXC-F
2023 Gas-Gas EX 450F
2023 Gas-Gas MC 450F
2023 Husqvarna FC 450
2023 Husqvarna FE 450
2023 Husqvarna FE 501
2023 Husqvarna FS450
2023 Husqvarna FX 450
2023 KTM 450 EXC-F
2023 KTM 450 SX-F
2023 KTM 500 EXC-F