This system includes :C-Hubs-2PCSFront Knuckle Arm-2PCSRear Knuckle Arm-2PCSFront Lower Arm-2PCSRear Lower Arm-2PCSStainless metal Round Head Screws 3x12-4PCSPOM Collar-4PCSOriginal title / Part No:8337+8332+8352+83331.To connect leading arms and knuckle arm in unison because of the entire steering assembly2.Work with steering tie rods to boost steering3.Support the framework and support the dampers and C hubs4.Stabilize rear CVD shaft, back hands and back upper tie pole therefore the vehicle could stay good balance5.Support the chassis and support the dampers andMajor features of updating for this part/product :1. Aluminum 6061 T6 is light material with high tensile strength for durable durability during extreme RC action. These products are also anodized inside our singature scratch resistant vibrant alluring colors.2. Delrin collars are made and hand set up to get rid of the gap, friction because of the friction causing parts, so the managing performance is best plus in harmony along with the rest of automobile.3.F+R knuckle arms with numerous positioning holes built to adjust the angles of the dampers that matches different play modes.