Pro Circuit throttle tubes are CNC-machined out of aluminum, and are Teflon coated on the inside to reduce friction which gives you a smoother twist of the throttle.
Fits The Following Bikes:
Kawasaki KX250F/450F 2004-2017
Suzuki RM-Z250 2004-2006
Yamaha YZ250F 2001-2013
Yamaha YZ450F 2003-2013