CNC Machined from high grade aluminum material, these aluminum Rear A-arms are made specifically for the Traxxas Slash. Aluminum A-Arms add great strength to the rear suspension of your Traxxas Slash, and when combined with our aluminum front A-arms (ST3631) it provides a bulletproof setup for your Traxxas Slash. For smooth suspension operation, the hinge-pin holes are fitted with machined delrin inserts. Each set of A-arms also comes with a high-grade steel hinge-pin set with e-clips. Color: Gun Metal.