Red Rear Suspension Arms for Kraton 6S/Outcast 6S (2) (RPM81729)

Red RPM Upgrade Rear A-Arms for ARRMA 6S trucks, including the Kraton and Outcast, replace the factory rear suspension arms to deliver stronger durability and more predictable handling. These arms are significantly beefier than the original, with 30% thicker support beams to reduce flex and improve performance under big jumps and fast driving. The set includes a pair of arms—left and right—molded from engineering-grade nylon for lasting reliability in tough conditions.

Designed for ARRMA V5 6S BLX and EXB models, these RPM A-arms maintain stock geometry for the inner shock mount and inner sway bar holes, while outer holes are not used on V5/EXB configurations. For older V4 models, use the corresponding geometry. A second shock-mount hole provides a more outboard setup, lowering ride height and the center of gravity to help sustain higher corner speeds and more confident handling on challenging terrain.