The PROX 31.1403 Cam Chain is a precision-engineered replacement timing chain for select Honda, Husqvarna, and KTM powersports applications. Manufactured in Japan by BorgWarner, this cam chain is designed to meet original equipment specifications for dependable fit, timing accuracy, and long-term performance. Its application-specific construction makes it a suitable replacement for worn or damaged cam chains during engine maintenance or rebuild work.
The chain uses a strong M-Type design with a specially heat-treated pin and advanced pin-and-link connections. These features help provide the strength, durability, and reliable operation required in high-performance motorcycle and ATV engines. The PROX brand is recognized for replacement engine components built to support professional repairs and demanding riding conditions.
Fitment includes the 2017 Husqvarna FE 501; 2006 through 2009 and 2012 through 2014 Honda TRX450R; and 2002 and 2003 Honda CRF450R models. Verify the vehicle year, model, engine configuration, and existing part requirements before installation. This product is identified by PROX manufacturer part number 31.1403 and vendor part number 31.1403.
Features:
- Manufactured in Japan by BorgWarner
- Designed to original equipment specifications
- Strong M-Type cam chain construction
- Specially heat-treated pin for enhanced durability
- Advanced pin-and-link connections for reliable performance
- Fits select 2017 Husqvarna FE 501, 2006-2009 and 2012-2014 Honda TRX450R, and 2002-2003 Honda CRF450R models
- Brand: PROX
- Manufacturer part number: 31.1403
- Vendor part number: 31.1403
Fitment:
2002 Honda CRF450R
2003 Honda CRF450R
2004 Honda CRF450R
2005 Honda CRF450R
2005 Honda CRF450X
2006 Honda CRF450R
2006 Honda CRF450X
2006 Honda TRX450R
2007 Honda CRF450R
2007 Honda CRF450X
2007 Honda TRX450R
2008 Honda CRF450R
2008 Honda CRF450X
2008 Honda TRX450R
2009 Honda CRF450X
2009 Honda TRX450R
2010 Honda CRF450X
2011 Honda CRF450X
2012 Honda CRF450X
2012 Honda TRX450R
2013 Honda CRF450X
2013 Honda TRX450R
2014 Honda CRF450X
2014 Honda TRX450R
2015 Honda CRF450X
2016 Honda CRF450X
2017 Honda CRF450X
2017 Husqvarna FE 501
2017 KTM 500 EXC-F
2018 Husqvarna FE 501
2018 KTM 500 EXC-F
2019 Husqvarna FE 501
2019 KTM 500 EXC-F