Hot Racing aluminum steering knuckle carrier (aka caster block, c-hub) set for the X-maxxYOU WILL RECEIVE:- Left and right aluminum caster blocks- It is recommended to use a removable-type locking adhesive on screws threading into metal- CNC machined 6061-T6 aluminum construction- Black anodizing for durability, corrosion resistance, and aesthetics- Secondarily-processed machined beveled edges- Clearly marked "R" and "L" labels- High strength steel hardware- Replaces factory plastic component