The WISECO Valve Kit is a complete intake and exhaust valve and spring package for select Gas Gas and Yamaha applications. The kit includes matched steel valves and precision valve springs designed as an engineered solution for engines using the added loads associated with steel valves.
OEM-quality valves are manufactured by leading OEM suppliers, while the valve springs feature rates calculated for the additional loads from the steel valves. This combination is designed to support extended service life and increased reliability. The kit also includes moly paste for cam lobes and buckets.
Vehicle fitment includes the 2015 Gas Gas EC 450F; 2005 and 2012 Yamaha WR450F; 2003 and 2004 Yamaha YZ450F; 2009, 2010, and 2013 Yamaha YFZ450R; 2013 Yamaha WR450F; and 2007 Yamaha YFZ450. Distributor part number: SVKB2424. Manufacturer part number: SVKB2424.
Features:
- Complete package: Includes intake and exhaust valves and springs.
- Matched components: Steel valves and springs provide an engineered valve-train solution.
- OEM-quality valves: Manufactured by leading OEM suppliers.
- Precision valve springs: Spring rates are calculated for added loads from steel valves.
- Service life: Designed to offer extended service life for increased reliability.
- Included moly paste: Supplied for cam lobes and buckets.
- Vehicle fitment: Fits select 2015 Gas Gas EC 450F and 2003–2013 Yamaha WR450F, YZ450F, and YFZ450 applications listed in the product description.
Fitment:
2003 Yamaha WR450F
2003 Yamaha YZ450F
2004 Yamaha WR450F
2004 Yamaha YFZ450
2004 Yamaha YZ450F
2005 Yamaha WR450F
2005 Yamaha YFZ450
2005 Yamaha YZ450F
2006 Yamaha WR450F
2006 Yamaha YFZ450
2006 Yamaha YZ450F
2007 Yamaha WR450F
2007 Yamaha YFZ450
2007 Yamaha YZ450F
2008 Yamaha WR450F
2008 Yamaha YFZ450
2008 Yamaha YZ450F
2009 Yamaha WR450F
2009 Yamaha YFZ450
2009 Yamaha YFZ450R
2009 Yamaha YZ450F
2010 Yamaha WR450F
2010 Yamaha YFZ450R
2011 Yamaha WR450F
2011 Yamaha YFZ450R
2012 Yamaha WR450F
2012 Yamaha YFZ450R
2013 Gas Gas EC 450F
2013 Yamaha WR450F
2013 Yamaha YFZ450R
2014 Gas Gas EC 450F
2014 Yamaha WR450F
2014 Yamaha YFZ450R
2015 Gas Gas EC 450F
2015 Yamaha WR450F
2015 Yamaha YFZ450R
2016 Yamaha YFZ450R
2017 Yamaha YFZ450R
2018 Yamaha YFZ450R
2019 Yamaha YFZ450R
2020 Yamaha YFZ450R
2021 Yamaha YFZ450R
2022 Yamaha YFZ450R
2023 Yamaha YFZ450R
2024 Yamaha YFZ450R