High-Quality 7075 Aluminum alloy This is for a brand new Hiwowsport solid steering bushing. New Color Change Bushing will be Red, Red anodized, On the S13's there is a small rubber bushing that joins the two steering shafts together, when that is worn out and dry rotted, your steering will feel indirect and numb. Replace the old rubber piece with a solid aluminum bushing to get a more responsive direct steering feel!