Billet Throttle Tube YZ250F YZ400F YZ426F YF450F 9811 You are buying 1 new Outlaw Racing Billet Throttle Tube Models: YZ250F YZ400F YZ426F YF450F 98-11 Replaces fragile plastic OEM tube with a high quality hard anodized aluminum tube Close tolerances provide smoother throttle response Knurled grip surface eliminates grip slippage