![RM-Z450 15 Camshaft ST-R](http://www.yoshimura-rd.com/cdn/shop/products/210-184-1000_A_45344689-c100-40d1-bed5-4aee7ff6ad93_92x92_crop_center.jpg?v=1540572337)
![RM-Z450 15 Camshaft ST-R](http://www.yoshimura-rd.com/cdn/shop/products/210-184-1000_B_5eecdc1c-8d39-4260-ae86-f29912b40897_92x92_crop_center.jpg?v=1540572339)
![RM-Z450 15 Camshaft ST-R](http://www.yoshimura-rd.com/cdn/shop/products/210-184-1000_C_64cdb26a-84dd-47ca-b300-847fa2412b08_92x92_crop_center.jpg?v=1540572340)
*Product may vary by application
Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "MODIFIED PART"
WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov
- All cams are ground by Yoshimura Japan using truly state-of-the-art equipment
- Cams are machined from billet cam blanks, not welded up or reground stock units
- Increased lift and duration to produce a potent curve with mid to top-end power & torque
* Cam timing should be set by a qualified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.
Know you’re racing with the best.
Yoshimura R&D is the only authorized distributor in North America for our sister companies Yoshimura Japan (YJP) and Yoshimura Asia (YAT). YJP/YAT develop and test racing components that are un-restricted versions than the choked-down systems which are required for more restrictive marketplaces like Japan and Europe. This imported product is specially configured for less restrictive markets. In other words, you’re getting a custom exhaust that’s perfect for racing in the US market.
What your missing if you don’t buy U.S. spec through us!
- In-house warranty and technical support
- Certificate of authenticity
- Full 12-month warranty
Instructions and Parts Diagram
![](https://cdn.shopify.com/s/files/1/0015/1594/6087/files/website-pdf-download.png?8067084759403402035)