This is the optional Hot-Racing Aluminum 4-Link Set for the Axial SCX10. FEATURES: Aluminum construction, anodized black for durability and corrosion resistance Plastic rod ends with aluminum balls Replaces stock plastic links Eliminates axle wrap and unwanted axle steer especially in high- power applications Thirty day limited warranty beginning at date of purchase-valid in the United States only INCLUDES: Two each; Front Lower 4-Link Arms Rear Lower 4-Link Arms Front Upper 4-Link Arms Rear Upper 4-Link arms Ten Locknuts Fourteen Button Head Cap Screws REQUIRES: Front and rear 4-link axle trusses, for Hot Racing upgraded version order HRAC1336, for Axial plastic version, order AXIC0044