TRAXXAS Slash 4x4 Rear Arm Brace - Rear Lower Arm Stiffener SLA009N by GPM  [SLA009N]

Rear arm stiffener for Slash 4x4

This rear arm stiffener is an aftermarket accessory made for the TRAXXAS Slash 4x4 chassis to reinforce the rear lower arm region and limit flex when driving aggressively off-road. It is intended for hobbyists seeking a firmer and more predictable rear response.

Installation uses the Slash 4x4 stock mounting locations; check that the brace sits square to the rear suspension mounts before final tightening. On some builds a little trimming around plastic mounts may help clearance. The brace increases structural rigidity rather than changing suspension pick-up points, so tuning the shocks afterwards may be required for optimal balance.

In practical terms, the brace helps control arm movement under power and improves rear traction consistency, which can make tuning damping and spring rates more straightforward.