Kibblewhite Keeper Set 80-80660

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Yamaha -- YFM...

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and...

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and...

Replacement Spring Kit for Kibblewhite Top End Service Kit Yamaha -- YZ 250 F -- (2015, 2016, 2014); Yamaha -- WR 250 F -- (2016, 2015, 2014)