This method includes :Front Kncukle Arm-2PCSC-Hubs-2PCSRear Knuckle Arm-2PCSFront Lower Arm-2PCSRear Lower Arm-2PCSStainless metal Round Head Screw 3x20-6PCSStainless steel Flat Head Screw 3x6-4PCSStainless metal washer 3m-4PCSStainless metal Round Head Screw 3x16-4PCSOriginal title / part No:AR330519+AR330523+AR330522+AR330520+AR3305211. Front c-hubs: support knuckle arms to turn smoothly.2. Front knuckle hands: Assist steering.3. Back knuckle arms: Stabilize CVD drive shaft and bearing.4.Support the framework and support the front&rear knuckleMajor great things about updating to your part/product :1. Made from an excellent lightweight high tensile energy aluminum 6061 T6 for greater durability.2. Delrin collars are placed to attenuate the room and friction so the steering performance is premier.3. Knuckle hands: Delrin collars are inserted to attenuate the space and fortify the fitting for a smooth and stable drive.4. Exquisite 3D improve created by CNC device to demonstrate modern and metallic look.5. Many positioning holes for users to change the angle of dampers.