The Works Connection Elite Throttle Tube contains a CNC-machined aluminum throttle tube and six Delrin® snap-on cam pulleys. The throttle tube incorporates a sealed bearing inside the end of the tube and an internal polymer bushing to create buttery smooth throttle action. Designed to match the O.E.M. / stock pull ratio, the cams included in the kit cover the complete line of MX and off-road, 4-stroke / race models from Honda, Husqvarna, Kawasaki, KTM, Suzuki and Yamaha. Kit includes six (6) Delrin® thermoplastic cam pulleys that match O.E.M. / stock pull ratios. CNC machined 6061 T-6 aluminum throttle tube and bearing insert. Sealed ABEC 1 + rated radial ball bearing. Low friction, high wear resistance, internal polymer bushing. Grip area knurled for maximum grip adhesion. Plastic cap provides damage protection and seals out dirt and debris.