Outlaw Racing Bearing Billet Throttle Tube WR250F WR400F WR426 WR450F 1 new Outlaw Racing Billet Throttle Tube for WR250F WR400F WR426F WR450F ALL YEARS Close tolerances provide smoother throttle response Replaces fragile plastic OEM tube with a highquality hard anodizedaluminum tube Knurled grip surface eliminates grip slippage