This product is a WideMAXX suspension arm set designed to increase overall vehicle width for enhanced stability and improved high-speed handling. It is molded from high-strength, impact-resistant composite material to withstand extreme bashing, hard landings, and rough terrain conditions. The extended arm design maintains proper suspension geometry while delivering added durability and control. It is compatible with Traxxas Maxx models including 89076-4 and 89086-4 configurations equipped for WideMAXX setup using part 8999R.