- Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
- Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts
- Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
- Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
- Specifically designed and engineered for each application
- Made in the U.S.A.
Yamaha -- WR 450 F -- (2016, 2015, 2014, 2004, 2008, 2009, 2011, 2012, 2007, 2010, 2003, 2005, 2006, 2013); Yamaha -- YZ 450 F -- (2005, 2006, 2004, 2008, 2009, 2007, 2003); Yamaha -- YFZ 450R 4x2 -- (2013, 2016, 2012, 2015, 2010, 2014, 2018, 2017, 2019, 2009, 2020, 2011)
