The Traxxas 8929G Green Maxx Upper Arms are heavy‑duty replacement suspension arms designed for strength, durability, and reliable performance on tough terrain. Made from reinforced composite material with a green finish, these upper arms help maintain proper suspension geometry and improve stability over bumps and hard landings. They are compatible with Traxxas X‑Maxx models, making them a solid upgrade or replacement option for enhancing the suspension and handling of your truck.