Cusco 30mm Front Sway Bar

1999–2005 Toyota Mark X (GRX130/GRX133) / Lexus IS250 (GSE20/GSE21) / IS350 (GSE20/GSE21)

Part #: 199 311 A30

Overview

The Cusco 30mm Front Sway Bar is a high-performance suspension upgrade designed specifically for enthusiasts seeking improved handling and stability in their Toyota Mark X and Lexus IS models. This sway bar replaces the factory component (if equipped) and enhances your vehicle's cornering capabilities by significantly reducing body roll during spirited driving or aggressive turns. Whether you're a daily driver looking for more confidence on winding roads or a performance enthusiast aiming for better track performance, this sway bar delivers tangible benefits.

Constructed with precision and durability in mind, the Cusco sway bar helps support increased chassis stability, allowing you to maintain better control and confidence through corners. Its larger diameter and high-strength steel construction provide greater torsional resistance compared to the stock sway bar, translating into a more responsive and planted feel in dynamic driving conditions. Installation is straightforward, utilizing the factory mounting points, making it an ideal upgrade for those looking to improve handling without extensive modifications.

Key Features

The Cusco 30mm Front Sway Bar incorporates several advanced features that contribute to its superior performance and durability:

• Constructed from high-strength steel with a 30mm diameter, offering increased torsional stiffness over the stock sway bar.
• Designed to replace factory sway bars (if equipped), utilizing the original mounting locations for a seamless fit.
• Reduces body roll during cornering, enhancing vehicle stability and driver confidence.
• Helps support better weight transfer management, improving overall handling dynamics.
• Manufactured by Cusco, a renowned brand known for high-quality suspension components and motorsport heritage.
• Engineered for a precise fit on Toyota Mark X (GRX130/GRX133) and Lexus IS250/IS350 (GSE20/GSE21) models.
• Ideal for street driving, spirited canyon runs, and track days where improved chassis response is desired.
• Durably finished to withstand the rigors of daily driving and aggressive use.

Construction & Design

The Cusco sway bar is crafted from high-quality steel, ensuring strength and longevity under demanding conditions. Its 30mm diameter tube provides a significant increase in stiffness compared to the factory sway bar, which translates into reduced body roll and more precise handling. The design features a one-piece construction with TIG welding for enhanced durability and consistent performance. The sway bar's geometry is optimized through CAD development to deliver a balanced increase in stiffness without compromising ride comfort or causing excessive harshness.

Installation utilizes the vehicle's existing mounting points, making it a bolt-on upgrade that requires no additional modifications. The design also ensures compatibility with the factory suspension components, maintaining proper alignment and ride quality. The finish is corrosion-resistant, ensuring long-term performance even in challenging weather conditions.

Performance & Sound

By upgrading to the Cusco 30mm Front Sway Bar, you'll notice a more responsive and stable handling experience. The increased torsional stiffness helps reduce body lean during cornering, allowing for sharper turn-in and improved overall control. While this upgrade primarily enhances handling, it also contributes to a more confident driving feel without adding unwanted noise or harshness to your ride. The improved chassis stability can make your daily driving more enjoyable and your spirited drives more precise.

Installation & Fitment

The Cusco 30mm Front Sway Bar is designed as a direct bolt-on replacement for the factory sway bar (if equipped), using the original mounting points. No cutting, drilling, or complex modifications are required, making it a straightforward upgrade for most DIY enthusiasts or professional installers. Basic hand tools and a lift or jack are sufficient for installation. The process typically takes under an hour, and no special tuning or alignment adjustments are necessary beyond standard procedures.

• Bolt-on installation using factory mounting locations
• No cutting, drilling, or tuning required
• Compatible with Toyota Mark X (GRX130/GRX133) and Lexus IS250/IS350 (GSE20/GSE21) models

What's Included

• Cusco 30mm Front Sway Bar
• Mounting brackets and hardware
• Installation instructions

Ideal For

This sway bar is perfect for drivers seeking to enhance their vehicle's handling dynamics, whether for daily driving, spirited canyon carving, or track days. It is especially beneficial for those who want a more responsive chassis with reduced body roll and improved cornering stability on their Toyota Mark X or Lexus IS models.

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all regions. Please check local regulations before installation.