ProX Racing Parts 28SIS2424-2 Steel Intake Valve/spring Kit for 2003-11 WR450F & 2003-09 Yamaha YZ450F
- 30 Day Returns
- Fast Shipping
- In stock, ready to ship
- Backordered, shipping soon

ProX Racing Parts 28SIS2424-2 Steel Intake Valve/spring Kit for 2003-11 WR450F & 2003-09 Yamaha YZ450F
ProX Racing Parts 28SIS2424-2 Steel Intake Valve/spring Kit for 2003-11 WR450F & 2003-09 Yamaha YZ450F is built to support reliable engine performance, durability and confidence during rebuilds or routine service.
Key Features
- Review product details below and confirm
- Compatible with multiple applications; verify your exact year, make and model before ordering
- Designed to meet the demands of trail, track and recreational riding
- Quality construction for dependable fit and long-term performance
Part Number: 28SIS2424-2
Fitment
Primary fitment: 2003-11 WR450F & 2003-09 Yamaha YZ450F
Handling: Ships in 1 business day. Returns: 30 days, new/unused.
Steel Steeds is an independent retailer; ProX Racing Parts® is a trademark of its respective owner.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!