The ProX Steel Exhaust Valve is manufactured to OEM specifications for dependable fit and performance in select Honda four-stroke motorcycles. Designed as a direct replacement exhaust valve, it supports proper combustion chamber sealing, efficient exhaust flow, and reliable engine operation during routine riding, trail use, and maintenance service.
This valve fits the 2003–2005 Honda CRF150F and the 2003–2009 Honda CRF230F. Verify the motorcycle model and engine application before installation to ensure correct compatibility. The ProX part number 28.1323-1 identifies this replacement valve for straightforward parts matching and service planning.
Each valve is sold individually, making it suitable for replacing a worn or damaged exhaust valve during a top-end rebuild or cylinder head service. Installation should be completed according to the motorcycle manufacturer’s service procedures, including inspection of the valve seat, guide, spring, retainer, and related components.
Features:
- OEM-specification construction: Manufactured by ProX to meet original equipment specifications for consistent fit and function.
- Steel exhaust valve: Provides a durable replacement component for the engine’s exhaust valve assembly.
- Application-specific fit: Fits 2003–2005 Honda CRF150F and 2003–2009 Honda CRF230F motorcycles.
- Individual replacement: Sold each for targeted valve service or engine rebuilding.
- Part identification: ProX manufacturer part number 28.1323-1 supports accurate application matching.
Fitment:
2003 Honda CRF150F
2003 Honda CRF230F
2004 Honda CRF150F
2004 Honda CRF230F
2005 Honda CRF150F
2005 Honda CRF230F
2006 Honda CRF230F
2007 Honda CRF230F
2008 Honda CRF230F
2008 Honda CRF230L
2009 Honda CRF230F
2009 Honda CRF230L
2010 Honda CRF230F
2011 Honda CRF230F
2012 Honda CRF230F
2013 Honda CRF230F
2014 Honda CRF230F
2015 Honda CRF230F
2016 Honda CRF230F
2017 Honda CRF230F
2018 Honda CRF230F
2019 Honda CRF230F