ST Racing Concepts Traxxas TRX-4M Brass Lower Shock Spring Retainers. Intended for the Traxxas TRX-4M rock crawler, these brass lower shock spring retainers are an easy performance upgrade.

ST Racing Concepts Traxxas TRX-4M Aluminum Threaded Shock Set. These optional shock bodies are an excellent addition to the TRX-4M platform.

ST Racing Concepts Traxxas TRX-4M Aluminum Threaded Shock Set. These optional shock bodies are an excellent addition to the TRX-4M platform.

ST Racing Concepts Traxxas TRX-4M Aluminum Front Steering Link. This optional steering link provides reduced flex and improved steering response to the TRX-4M rock crawler.

ST Racing Concepts Traxxas TRX-4M Aluminum Front Steering Link. This optional steering link provides reduced flex and improved steering response to the TRX-4M rock crawler.

ST Racing Concepts Traxxas TRX-4M Aluminum Front Steering Link. This optional steering link provides reduced flex and improved steering response to the TRX-4M rock crawler.

ST Racing Concepts Traxxas TRX-4M Aluminum Front Steering Link. This optional steering link provides reduced flex and improved steering response to the TRX-4M rock crawler.

ST Racing Concepts Traxxas TRX-4M Aluminum Front Steering Link. This optional steering link provides reduced flex and improved steering response to the TRX-4M rock crawler.

ST Racing Concepts Traxxas TRX-4M Brass Differential Cover. This optional differential cover is intended for the Traxxas TRX-4M. Made from brass, this cover is CNC machined for a perfect fit and finish.