Eibach Coil Spring Seat

2010–2025 Subaru Outback / Subaru Legacy 2.5L

Part #: ADAPTER250-300

Overview

The Eibach 3 in. Coil Spring Seat is a precision-engineered adapter designed to enhance your vehicle's suspension setup. Whether you're a performance enthusiast looking to fine-tune your ride or a mechanic seeking versatile spring options, this coil spring seat allows you to expand your suspension configuration possibilities. Crafted with durability and accuracy in mind, it provides a reliable solution for adapting different spring diameters without compromising on quality or safety.

Ideal for those who want to customize their suspension system, these spring perch adapters enable the use of larger inside diameter springs on existing perches. This flexibility can help you achieve specific ride characteristics, improve handling, or support custom spring rates for spirited driving, off-road adventures, or load-carrying applications. With the Eibach Coil Spring Seat, you can extend your range of available spring sizes and rates, giving you greater control over your vehicle's suspension tuning.

Key Features

The Eibach Coil Spring Seat offers several key features that make it a valuable addition to your suspension components:

• Adapts 2.5 inch inside diameter (ID) perches to 3.0 inch ID springs, expanding compatibility with a wider range of springs.
• Constructed from lightweight and durable Delrin material, ensuring longevity and resistance to wear and environmental factors.
• Designed with CNC precision machining for a perfect fit and consistent performance, maintaining alignment and stability under load.
• Lightweight design helps reduce unsprung weight, contributing to improved handling and ride quality.
• Black color finish provides a sleek appearance and corrosion resistance.
• Without QuadraSteer compatibility, making it suitable for standard suspension setups.

Construction & Design

The Eibach Coil Spring Seat is crafted from high-quality Delrin, a thermoplastic known for its excellent strength-to-weight ratio and wear resistance. The CNC machining process ensures each adapter is manufactured to exact specifications, guaranteeing a precise fit on your existing spring perch. Its lightweight design minimizes additional unsprung weight, which can positively influence handling and responsiveness. The black finish not only enhances durability but also offers a clean, professional look that complements your suspension components.

Installation & Fitment

The Eibach Coil Spring Seat is designed for straightforward installation. It simply replaces or adapts to your existing spring perch, allowing you to mount larger springs securely. No cutting, drilling, or complex modifications are required. The adapter's CNC precision ensures a snug fit, maintaining proper alignment and suspension geometry. Whether you're upgrading your suspension or customizing your setup, this adapter provides a reliable and hassle-free solution.

• Easy bolt-on installation with standard tools
• No cutting, drilling, or tuning necessary
• Compatible with 2.5 inch ID spring perches and 3.0 inch ID springs

What's Included

• One Eibach Coil Spring Seat Adapter (Part Number ADAPTER250-300)

Ideal For

• Performance enthusiasts seeking suspension customization
• Off-roaders needing larger spring options
• Mechanics and tuners expanding spring compatibility
• Anyone looking to extend their suspension tuning capabilities with reliable, lightweight adapters