These are Schumacher Racing Products factory replacement radius arms for the Cat PB 4x4 buggy platform. Sold as a pair, they are molded plastic steering bellcrank-style components designed to maintain precise suspension geometry. Keeping a set of spares on hand is recommended for competitive runners who push the car hard on rough tracks. Features: Sold as a pair Molded plastic construction Designed for the Schumacher Cat PB 4x4 platform Direct factory replacement fit 7/7/26 cs