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Chassis Components› Chassis and Frame Components

Ultra Racing

Front Lower 4-Point Brace

Name: Front Lower 4-Point Brace
Brand: Ultra Racing
SKU: UR-LA4-4424

$192.00

SKU: UR-LA4-4424

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Overview

The Ultra Racing UR-LA4-4424 is a front lower brace designed for the Proton X90. It is constructed from steel plates ranging from 4mm to 5mm in thickness, with hollow steel and oval tubes measuring 1.2mm to 1.6mm thick.

By stiffening the chassis, it helps to maintain consistent geometry, improve handling characteristics like reducing understeer and oversteer, and enhance tire grip.

Show original supplier description

The Ultra Racing UR-LA4-4424 is a front lower 4-point brace specifically engineered to address chassis flex experienced during dynamic driving conditions. The vehicle's chassis is subjected to significant stress from weight transfer, particularly during cornering, braking, and acceleration. This constant flexing can compromise tire grip and negatively impact handling, leading to issues like understeer or oversteer. By reinforcing the chassis, this brace aims to improve stability and responsiveness. It is intended for use on the Proton X90 Turbo 1.5 23 2WD SUV.

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

Brand	Ultra Racing
Part Number	UR-LA4-4424
Category	Chassis Components

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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.

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