The Hot Racing Arrma Kraton 8S Aluminum O-Ring Delrin Cap Hub Nuts are a heavy duty aluminum pillow block bushing upgrade that features Delrin pivot ball cups for smoother steering movement. Package includes four cap hubs. 

 

• CNC machined aluminum, anodized red
• Delrin pivot cups for durable and smooth operation
• Integrated o-rings capture hub nut to to steering block to prevent inadvertent movement
• Fits the stock Arrma steering Knuckle ARA330558
• Replaces ARA330582

• (4) aluminum hub nuts