Compatible with 1/18 Traxxas LaTrax Teton, Traxxas LaTrax Desert Prerunner Truck, Traxxas Latrax SST. These Upgrade Parts are replacement of stock part #7630. Made of 6061-T6 aluminum, Anodized, for lightweight and durable performance. Includes: Front&Rear Aluminum Suspension Arms(4), Suspension Arm Pins(8), Hardware included. Easy to install, exquisite workmanship