• Eibach ERS Rear Coil Spring Adjuster Kit (Pair) - 200 lbs/in for 2003-2022 Toyota 4Runner
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▶ Suspension Drop / Lift Rates
Part #: AK31-82-071-01-02 - Pair of Rear Springs + Adjusters + Bump Stop Kit
Comment: Approximate range of lift with zero added weight. Adjuster has 38mm of adjustment
Applications
Front
Rear
2003-2009 Toyota 4Runner V6 4.0L 2WD/4WD
N/A
+0.5"-1.75"
2010-2024 Toyota 4Runner 4WD
N/A
+0.5-2"
2003-2009 Toyota 4Runner V6 4.0L 2WD/4WD | w/X-REAS
N/A
+0.5"-1.75"
2010-2024 Toyota 4Runner RWD
N/A
+0.5-2"
2019-2020 Toyota 4Runner TRD Pro 4WD
N/A
+0.5-2"
2021-2022 Toyota 4Runner TRD Pro SUV 4.0L V6 4WD N280
N/A
+0.5-2"

Eibach ERS Rear Coil Spring Adjuster Kit (Pair) - 200 lbs/in for 2003-2022 Toyota 4Runner

Eibach ERS Rear Coil Spring Adjuster Kit (Pair) - 200 lbs/in for 2003-2022 Toyota 4Runner

AK31-82-071-01-02

In stock

$524.73 USD
$610.49 USD $524.73 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out
▶ Suspension Drop / Lift Rates
Part #: AK31-82-071-01-02 - Pair of Rear Springs + Adjusters + Bump Stop Kit
Comment: Approximate range of lift with zero added weight. Adjuster has 38mm of adjustment
Applications
Front
Rear
2003-2009 Toyota 4Runner V6 4.0L 2WD/4WD
N/A
+0.5"-1.75"
2010-2024 Toyota 4Runner 4WD
N/A
+0.5-2"
2003-2009 Toyota 4Runner V6 4.0L 2WD/4WD | w/X-REAS
N/A
+0.5"-1.75"
2010-2024 Toyota 4Runner RWD
N/A
+0.5-2"
2019-2020 Toyota 4Runner TRD Pro 4WD
N/A
+0.5-2"
2021-2022 Toyota 4Runner TRD Pro SUV 4.0L V6 4WD N280
N/A
+0.5-2"

The Eibach ERS Rear Coil Spring Adjuster Kit is a high-performance upgrade designed for the 2003-2022 Toyota 4Runner. This kit features adjustable threaded spring seats, ERO race springs, and bump stops, allowing precise tuning of rear load capacity and ride height. Constructed from durable 6061-T6 billet aluminum, the components provide a reliable and lightweight solution for off-road and performance applications. The adjustable design enables users to achieve up to +2 inches of lift with zero added weight, enhancing ground clearance and vehicle stance. Eibach’s engineering ensures consistent performance, improved handling, and increased versatility for various driving conditions, making it an ideal choice for enthusiasts seeking customization and improved ride quality.

Designed specifically for the 2003-2022 Toyota 4Runner, this kit is compatible with models equipped with the standard suspension setup. It offers a bolt-on installation process, serving as a direct replacement for factory components. The kit includes adjustable threaded spring seats, ERO race springs, and bump stops, providing a comprehensive solution for fine-tuning rear suspension performance. Suitable for off-road, trail, or street use, the ERS kit allows for tailored ride height adjustments to suit different driving needs. Whether upgrading for increased load capacity or improved off-road capability, this kit enhances vehicle adaptability and driving confidence without compromising ride comfort or durability.

Overview

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.
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