Description: Material: This 1/28 RC car steering cup uses metal as the material, which is wear resistant, sturdy and durable so that can be used for a long time. Replacing part: This remote control cars servo arm is suitable to be used as a spare part to replace the old or broken part of the RC cars. Modification: The upgrade RC cars link rod kit can be used to modify and upgrade the cars so that can make your cars more stylish. Easy to install: The modification car assembly is small in size and lightweight so that you can install on the cars easily with simple tools. Compatibility: The cars repairing replacing part has wide compatibility which can replacement for WLtoys 1/28 K969 K979 K989 K999 P929 P939 284131 cars. Specification: Size: Tie rod(length): Approx. 51-57mm/2x2.24inch. Steering gear rod(short): Approx. 37-43mm/1.45x1.69inch. Material: Metal. Color: Blue, red, gold, silver, type 5(show as picture). Compatibility: Replacement for WLtoys 1/28 K969 K979 K989 K999 P929 P939 284131. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Steering Link Rod. 1 Piece Servo Link Rod. 1 Piece Servo Arm. 2 Pieces Rear Link Rods. 2 Pieces Front Steering Cups. 2 Pieces Rear Steering Cups.