This method includes :Front Kncukle Arm-2PCSC-Hubs-2PCSRear Knuckle Arm-2PCSFront Lower Arm-2PCSRear Lower Arm-2PCSStainless steel Round Head Screw 3x20-6PCSStainless steel Flat Head Screw 3x6-4PCSStainless metal washer 3m-4PCSStainless metal Round Head Screw 3x16-4PCSOriginal title / component No:AR330519+AR330523+AR330522+AR330520+AR3305211. Front c-hubs: help knuckle arms to make smoothly.2. Front knuckle hands: Assist steering.3. Straight back knuckle arms: Stabilize CVD drive shaft and bearing.4.Support the framework and support the front&rear knuckleMajor advantages of upgrading to your part/product :1. Created from a fantastic lightweight high tensile energy aluminum 6061 T6 for greater durability.2. Delrin collars are put to attenuate the space and friction so the steering performance is premier.3. Knuckle arms: Delrin collars are placed to attenuate the space and bolster the fitting for a smooth and stable drive.4. Exquisite 3D improve developed by CNC unit to show contemporary and metallic look.5. Many positioning holes for users to change the angle of dampers.