Eibach ERS 5.00 in. Length x 2.25 in. ID Coil Over Spring eBay Eibach ERS 200mm Length x 60mm ID Coil Over Spring (200.60.0060) eBay All Makes All Models Parts E102500325 Eibach ERS Series Standard Eibach Pro Truck Rear Lift Spring [10+ 4Runner] Peak Suspension Eibach ERS Race Main Spring Length 7" Inside Diameter 2.5" Rate Eibach ERS (1000.250.0750S) at 65.28. 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 vehicles 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 vehicles 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 kits 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. Whats 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 vehicles rear suspension.