Kibblewhite Spring Kit 80-80066

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

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one...

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valvesExtends the life of the valvetrain and intake components by...