Traxxas E-Maxx Brushless * SKID PLATES & CHASSIS BRACE * Lower Chassis Braces (Part # 3921) Nylon Construction Transmission Skid Plate (Part # 3920) Nylon Construction Front Skid Plate with Stainless Steel Mounting Plate (Part # 4937A) Rear Skid Plate with Stainless Steel Mounting Plate (Part # 4938A) Includes: Skid Plate - Gray (Part # 3920) Lower Chassis Brace - Black (Part # 3921) Front Skid Plate - Plastic Gray (Part # 4937A) Rear Skid Plate - Pastic & Stainless Steel (Part # 4938A) Part number(s) included (in factory packaging): 3920 3921 4937A 4938A