Feature: 1. Premium Material: Made of steel and aluminum alloy materials, front and rear drive shaft is adjustable, rust proof, wear resistant, and has a higher and more stable transmission effect. 2. Fine Workmanship: The rc car front and rear drive shafts have large and stable angles, and increased smoothness and angle design make the drive shafts more stable and powerful. 3. Efficient Drivetrain: A more efficient drivetrain provides a smoother ride with smoother and more powerful front and rear driveshaft transmissions. 4. Higher Load Carrying Capacity: The front and rear drive shaft CVDs have higher load carrying capacity and larger drive angles to maximize the power of the RC car. 5. Easy Installation: The front and rear drive shafts are easy to install and disassemble, and the original plastic parts or damaged parts can be directly replaced to obtain higher strength. Specification: Item Type: Front and Rear Drive Shafts Material: Aluminum Alloy, Steel Weight: Approx. 149g / 5.3oz Overall Product Length: Approx. 155mm / 6.1in Axle Size: Approx. 85x15mm / 3.3x0.6in Transmission Aluminum Tube Length: Approx. 70mm / 2.8in Cup Length: Approx. 60mm / 2.4in Application: Upgrade for Arrma 1/8 Kraton 4S. Package List: 2 x Front and Rear Drive Shafts4 x Screws