1. Constructed by superior material for maximum durability. 2. Simple installation, no need complicated tools, convenient for using. 3. Direct replacement for the old or broken one. 4. Replacing part numbers for reference: 2083, 6056. 5. Practical accessory fit for 2300 2305 4150 4160. Condition: 100% New Item Type: Throttle Return Spring Kit colour:Silver Material:metal Package Contents: 1 x Throttle Return Spring Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.