Chassis Components› Chassis and Frame Components

SpeedLogix

4-Point Rear Shock Tower Brace

$592.60

SKU: SX-306-RSD

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Speedlogix SX-306-RSD is a 4-point rear shock tower brace designed to increase chassis rigidity and improve handling. It is constructed from steel tubing and precision-welded for strength.

This brace features a closed triangle shape that contributes to improved handling and stability.
Show original supplier description
The Speedlogix 4-point Rear Shock Tower Brace is engineered to provide race-car-level chassis rigidity, significantly enhancing handling, stability, and response under load for your Dodge vehicle. Constructed from high-strength steel and precision-welded into a closed, triangulated structure, this brace ties together the rear shock towers. This design minimizes chassis flex, reduces unwanted flexing during hard cornering or launches, and ensures your suspension operates with its geometry intact for more predictable handling. The brace features a bolt-in design, requiring no welding for a clean and secure installation that maintains proper fitment while reinforcing a critical chassis stress point. It is ideal for those pushing their vehicles hard on the track, launching off the line, or carving through corners, keeping the rear end stable, improving weight transfer, and ensuring optimal performance of rear shocks and suspension components. If you desire a tighter, more planted, and controlled feel in your Challenger, Charger, 300, or Magnum, especially under aggressive driving, this rear shock tower brace is a must-have upgrade. It blends technical engineering with performance gains for increased confidence. Note: Powder coat colors may not be an exact match to your factory color. Installation requires moderate skill.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSpeedLogix
Part NumberSX-306-RSD
CategoryChassis Components
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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