- 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 one-piece construction and hard chrome stems
- Spring sets contain springs and titanium upper collars; keepers and lower collars included as required
- Spring kits come complete for one motor
- Made in the U.S.A.
Honda -- TRX400EX Sportrax -- (2004, 2001, 2002, 2005, 2003); Honda -- TRX400EX FourTrax -- (2000, 1999); Honda -- TRX400X -- (2009)