The PROX 31.1417 Cam Chain is a reliable replacement timing chain for select Honda CRF450R and CRF450RX motorcycles. Manufactured in Japan by Borg Warner, this cam chain is designed to O.E.M. specifications to provide dependable fitment, consistent valve-timing performance, and long-term durability in demanding off-road and motocross applications.
Featuring a strong M-Type chain design, the PROX cam chain uses a specially heat-treated pin along with advanced pin and link connections. These construction features help support maximum performance, wear resistance, and service life, making it a suitable choice for engine rebuilding, scheduled maintenance, or replacing a worn original timing chain. The chain is manufactured for precise operation within the Honda valve-train system.
This PROX cam chain fits 2017–2021 Honda CRF450R and CRF450RX models, including the 2017 CRF450RX, 2017 CRF450R, 2018 CRF450R, 2018 CRF450RX, 2019 CRF450R, 2019 CRF450RX, 2020 CRF450R, 2020 CRF450RX, 2021 CRF450R, and 2021 CRF450RX. Verify the motorcycle model and year before installation to ensure correct application.
Brand: PROX
Manufacturer: Borg Warner
Part Number: 31.1417
Vendor Part Number: 31.1417
Product Type: Cam Chain
Application: Honda CRF450R and CRF450RX
Features:
- Manufactured in Japan by Borg Warner
- Designed to O.E.M. specifications for dependable fitment and operation
- Strong M-Type chain construction for performance and durability
- Specially heat-treated pin helps improve wear resistance
- Advanced pin and link connections support long service life
- Fits select 2017–2021 Honda CRF450R and CRF450RX models
Fitment:
2017 Honda CRF450R
2017 Honda CRF450RX
2018 Honda CRF450R
2018 Honda CRF450RX
2019 Honda CRF450R
2019 Honda CRF450RX
2020 Honda CRF450R
2020 Honda CRF450RX
2021 Honda CRF450R
2021 Honda CRF450RX
2022 Honda CRF450R
2022 Honda CRF450RX
2023 Honda CRF450R
2023 Honda CRF450RX
2024 Honda CRF450R
2024 Honda CRF450RX
2025 Honda CRF450R
2025 Honda CRF450RX