Atomik RC Traxxas Stampede 1:10 Aluminum Alloy Rear Skid Plate Hop Up Upgrade, Blue Replaces Traxxas Part 3623 Precision CNC Machined for Factory Spec Fitment. Hardened Billet 6061 Aluminum for Lightweight and Durable Performance. Easy Upgrade from the Original Part. Replaces Traxxas Part 3623. Atomik RC Offers a Full Line of Hop Ups for your Traxxas Stampede 1:10 Available in Red, Blue, Grey/Gunmetal.