Front top hands have additional mounting holes the optional front top supply wings. The wings increase downforce on the front suspension for increased traction and helps to keep the buggy nose down. Molded lightweight front TOP suspension system arm produced from specially-formulated graphite composite product. The graphite product works very well in dusty conditions to ensure maximum possible free movement of suspension components even in the event a lot of dust accumulates. The exclusive composite combination employed for suspension hands gives an amazing balance between reliability and performance; the suspension arm is rigid sufficient for a responsive feel and extreme durability. Suitable for medium to very-high traction songs. Universal design permits the supply to be used on both left & right sides. Leading upper arm is available in various hardnesses .