Description: 【Spare Parts】: Upgrade accessory set includes upper and lower arms, front and rear steering cup, front and rear shocks tower, servo arm and mounting screws. 【Durable】: Remote control car metal upgrade accessories set made of strong aluminium, solid and durable. 【High Performance】: Rc car parts can improve performance, easy to install and use. 【Upgrades】: Rc car replacement part can strengthen the rigidity of the body to prevent deformation of the body. 【Fit For】: rc car spare parts fit for Wltoys 1/28 284161, 284010, 284131, K989, K979, K969, P929, P939. Specification: Material: Aluminium Size Chart: Pull Rod: 4.73cm /1.86inch Hole to Hole: 4.1cm/1.61inch Adjustable Length: 5.1cm/2.01inch Steering Rod: 2.2cm/0.87inch Hole to Hole: 1.6cm/0.63inch Adjustable Length: 2.4cm /0.94inch Lower Arms: 1.6cm/0.63inch, Hole to Hole: 1.1cm/0.43inch Upper Arms: 1.9cm/0.75inch, Adjustable: 2.1cm/0.83inch Package Includes: 4 Upper Arms 4 Lower Arms 2 Front Steering Cups 2 Rear Steering Cups 4 Front and Rear Shock Tower 1 Servo Arm 1 Set Mounting Screws