08-11 Yamaha YFZ450X YFZ 450X KIBBLEWHITE +1mm Intake + Exhaust Valves Seals Kit LT80 💪 Uncompromising Strength: Grade 5

💪 Uncompromising Strength: Grade 5 Titanium & Superior to Chromoly

*PLEASE NOTE - This kit will fit DRZ400

even for non-professionals

68mm Wiseco forged big bore pistons

90116-08392-00

08-11 Yamaha YFZ450X YFZ 450X KIBBLEWHITE +1mm Intake + Exhaust Valves Seals Kit LT80 💪 Uncompromising Strength: Grade 5Kibblewhite Performance +1mm Larger Valves (All 5) The Best On The Market! Fits Yamaha YFZ450 Carbureted Models Years 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Fits Yamaha YFZ450R and YFZ450X Fuel Injected Models Years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Fits Yamaha YZ450F Years 2003 2009 Fits Yamaha WR450F Years 2003 2015 Features: WHITE Diamond Stainless Steel +1mm Valve Set (All 5) Part # 80