This Hop-Up Option is for use with the TD4 chassis, and helps to contribute to improved suspension feel. Compared to the standard plastic parts, these parts have less flex which contribute to more direct feel from the suspension.

• TD4 Aluminum Rocker Arms x2 (same for left and right)
• Used in place of kit-standard plastic parts, these blue anodized aluminum components ensure responsive shock/dampers.
• Tamiya blue anodized finish.
• Features built-in ball bearings.
• Compatible with TD4 chassis cars.