Outlaw Racing Billet Throttle Tube Suzuki RMZ250 RMZ450 04 - 10 1 new Outlaw Racing Billet Throttle Tube Models: Suzuki RMZ250 RMZ450 04-10 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