Engineered for high-boost Yamaha engines, this kit brings corrosion-resistant EV-8 stainless intakes and heat-tolerant IN-751 inconel exhausts. Heads are redesigned for flow, and stems are hard chromed.
Torture tested at 9800 RPM. Sold as 16 valves: 8 intake and 8 exhaust.
- Fits Yamaha SHO, FZR 2008-2013
- 8 intake and 8 exhaust valves
- EV-8 stainless / IN-751 inconel
- Tested at 9800 RPM
