The PROX 31.6363 Cam Chain is a reliable replacement timing chain designed for select KTM and Husqvarna four-stroke motorcycles. Manufactured in Japan by Borg Warner, this cam chain is produced to original equipment manufacturer specifications for dependable fitment, consistent operation, and long service life. Its application-specific design makes it suitable for maintaining precise camshaft timing in demanding off-road and motocross conditions.
Built with a strong M-Type chain, the PROX cam chain features a specially heat-treated pin along with advanced pin and link connections. These construction details help provide the strength, durability, and performance required for high-rpm engine operation. The chain supports accurate valve timing and is a practical choice when replacing a worn or aging original timing component during engine service or rebuilds.
This PROX cam chain fits the 2023 KTM 250 SX-F and 2023 KTM 350 SX-F, along with select 2018 through 2021 Husqvarna FE 250 and FE 350 models. Verify your motorcycle year, model, and engine configuration before ordering to ensure proper application. The manufacturer part number is 31.6363, and the vendor part number is also 31.6363.
Features:
- Manufactured in Japan by Borg Warner
- Designed to original equipment manufacturer specifications
- Strong M-Type chain construction for dependable performance and durability
- Specially heat-treated pin helps improve chain strength and service life
- Advanced pin and link connections support reliable high-rpm engine operation
- Fits select 2023 KTM 250 SX-F and 350 SX-F models
- Fits select 2018-2021 Husqvarna FE 250 and FE 350 models
- Brand: PROX
- Manufacturer part number: 31.6363
- Vendor part number: 31.6363
Fitment:
2014 Husqvarna FE 250
2014 Husqvarna FE 350
2015 Husqvarna FE 250
2015 Husqvarna FE 350
2016 Husqvarna FE 250
2016 Husqvarna FE 350
2017 Husqvarna FE 250
2017 Husqvarna FE 350
2018 Husqvarna FE 250
2018 Husqvarna FE 350
2019 Husqvarna FE 250
2019 Husqvarna FE 350
2020 Husqvarna FE 250
2020 Husqvarna FE 350
2021 Husqvarna FE 250
2021 Husqvarna FE 350
2022 Husqvarna FE 250
2022 Husqvarna FE 350
2023 Husqvarna FC 250
2023 Husqvarna FC 350
2023 Husqvarna FE 250
2023 Husqvarna FE 350
2023 Husqvarna FX 350
2023 KTM 250 SX-F
2023 KTM 350 SX-F
2024 Gas-Gas EC 250F
2024 Gas-Gas EC 350F
2024 Gas-Gas EX 250F
2024 Gas-Gas EX 350F
2024 Gas-Gas MC 250F
2024 Gas-Gas MC 350F
2024 Husqvarna FC 250
2024 Husqvarna FC 350
2024 Husqvarna FE 250
2024 Husqvarna FE 350
2024 Husqvarna FX 350
2024 KTM 250 SX-F
2024 KTM 350 SX-F
2025 Gas-Gas EC 250F
2025 Gas-Gas EC 350F
2025 Gas-Gas EX 250F
2025 Gas-Gas EX 350F
2025 Gas-Gas MC 250F
2025 Gas-Gas MC 350F
2025 Husqvarna FC 250
2025 Husqvarna FC 350
2025 Husqvarna FE 250
2025 Husqvarna FE 350
2025 Husqvarna FX 350
2025 KTM 250 SX-F
2025 KTM 350 SX-F