Introducing the Aluminum Upper Arm for the D4 RWD, part number SAK-D4820A, a premium component designed for RC drift enthusiasts who demand the best in performance and durability. This upper arm is expertly crafted from high-grade aluminum, providing exceptional strength and precision to ensure your D4 RWD chassis delivers outstanding stability and responsiveness on the track. Its sleek and lightweight design not only enhances the aesthetic appeal of your model but also optimizes drift dynamics by reducing overall weight. Known for their excellence in RC components, this offering from 3Racing is an essential addition for dedicated hobbyists aiming to elevate their drifting experience. Whether you’re competing at a high level or enjoying casual drifting, the Aluminum Upper Arm for D4 RWD is engineered to offer unparalleled performance and reliability, making it a valuable upgrade for any serious RC enthusiast.