ST Suspensions ST XTA Coilover Kit

Fitment: 2013-2020 Subaru BRZ (ZC6)

Part #: 18258804

Overview

The ST XTA Coilover Kit for the 2013-2020 Subaru BRZ (ZC6) is a high-performance suspension upgrade designed for driving enthusiasts seeking precise handling and customizable ride height. Engineered specifically for rear-wheel-drive configurations, this coilover system combines durability, adjustability, and refined engineering to enhance your vehicle’s responsiveness on the road or track. Whether you're looking to improve cornering, reduce body roll, or achieve a tailored stance, this kit provides the tools to optimize your driving experience with confidence and control. This coilover kit is ideal for drivers who demand a combination of performance and adjustability, offering a significant upgrade over stock suspension components. It supports a more engaging driving feel, improved handling dynamics, and a sleek, aggressive stance that complements the sporty character of the Subaru BRZ.

Key Features

Designed to deliver precise control and durability, the ST XTA Coilover Kit features a linear race spring system and adjustable dampers that allow for fine-tuning of ride height and stiffness. The aluminum unibal camber adjustable top mounts enable easy alignment adjustments, helping you achieve optimal tire contact and handling balance. The adjustable spring perch, made from friction-optimized polyamide composite material, ensures smooth height adjustments without compromising performance. This system is built with high-quality materials to withstand rigorous driving conditions, providing long-lasting reliability and consistent performance.

• Linear race springs for predictable response and durability
• Adjustable dampers to customize ride stiffness and handling
• Aluminum camber adjustable top mounts for precise alignment
• Friction-optimized polyamide composite spring perch for smooth height adjustments
• Robust construction designed for performance driving
• Enhanced control and reduced body roll during aggressive cornering
• Easy installation with bolt-on design

Construction & Design

The coilover system features high-strength aluminum components and durable steel springs, engineered for lightweight performance and longevity. The adjustable top mounts are machined for precision fitment, ensuring consistent alignment and handling characteristics. The use of friction-optimized polyamide composite materials in the spring perch enhances adjustment smoothness and durability, supporting sustained performance over time.

Driving Feel & Feedback

This coilover kit enhances your vehicle’s handling response, providing a more connected and engaging driving experience. The adjustable dampers allow you to tailor the ride to your preferences, whether for daily driving or spirited track sessions. Expect improved steering feedback, reduced body roll, and a more planted feel during aggressive maneuvers.

Installation & Fitment

Installation involves replacing the stock suspension components with the coilover kit, with bolt-on mounting for a straightforward upgrade. Proper alignment is recommended after installation to maximize handling benefits and tire wear.

What’s Included

The package includes front and rear coilover assemblies, adjustable top mounts, and all necessary hardware for installation. Additional components or tools are not typically required but should be verified against your vehicle’s specifications.

Ideal For

This coilover kit is perfect for Subaru BRZ owners looking to improve handling, stance, and overall driving engagement—whether for daily use, spirited driving, or track days.