Eibach ERS Rear Coil Spring Adjuster Kit

Part #: AK31-82-071-01-02

Overview

The Eibach ERS Rear Coil Spring Adjuster Kit is a versatile upgrade designed for off-road enthusiasts and those seeking precise ride height and load capacity adjustments on their Toyota 4Runner. This kit includes adjustable threaded spring seats, ERO race springs, and bump stops, enabling you to fine-tune your vehicle’s rear suspension for optimal performance and comfort. Whether you're looking to increase ground clearance, improve load handling, or achieve a specific stance, this kit offers a reliable and durable solution. Crafted from high-quality materials, it supports your vehicle’s off-road capabilities while maintaining ride quality and stability.

Key Features

This adjuster kit is engineered to provide customizable suspension tuning with ease. Key features include:

• 6061-T6 billet aluminum threaded spring seats for strength and corrosion resistance
• Adjustable design allowing +0 to 2 inches of lift without adding weight
• Compatible with Eibach ERO off-road race springs for enhanced durability and performance
• Includes bump stops to protect suspension components during heavy loads or off-road use
• Designed for straightforward installation and reliable long-term operation
• Helps improve ride height, load capacity, and off-road clearance
• Made in the U.S.A., ensuring quality craftsmanship and materials

Construction & Design

Constructed from aircraft-grade 6061-T6 billet aluminum, the threaded spring seats are designed for durability and precise adjustment. The robust materials and machining ensure a secure fit and resistance to corrosion, making them suitable for demanding off-road environments. The kit’s design allows for easy height adjustments without disassembling major suspension components, supporting a customizable and adaptable setup.

Installation & Fitment

Installation involves replacing the factory rear coil spring seats with the adjustable threaded units, making it accessible for those with basic mechanical skills. Proper fitment should be verified against vehicle specifications and part compatibility. The kit is intended for use on 2003-2022 Toyota 4Runner models, providing a straightforward upgrade to enhance suspension performance.

What’s Included

The package includes two adjustable threaded spring seats, ERO race springs, bump stops, and all necessary hardware for installation, ensuring a complete upgrade for your vehicle’s rear suspension.