Eibach Coil Spring Rubber Insert

2011–2025

Part #: SR.500.0090

Overview

The Eibach 5 in. Single Coil Spring Rubber Insert is a versatile accessory designed to enhance the performance and adjustability of your vehicle's suspension system. Crafted by Eibach, a renowned name in suspension tuning, this rubber insert allows you to fine-tune your spring's rate for a more customized driving experience. Whether you're a performance enthusiast seeking improved handling or a casual driver aiming for a smoother ride, these spring rubbers provide a simple yet effective solution.

Designed to fit springs with a 5.0-inch outside diameter, this rubber insert adds approximately 1.5 inches of solid height to your existing coil spring. This increase in spring height and rate can help support your vehicle's weight more effectively, improve ride quality, and enhance overall stability. Made in the U.S.A., these inserts are built with high-quality materials to ensure durability and consistent performance over time.

Key Features

Eibach's Spring Rubbers are engineered to add a progressive rate to your linear race springs, allowing for a more refined suspension response. The inserts are available in four different durometers, ranging from 50D to 90D, giving you the flexibility to select the desired stiffness for your specific driving needs. Softer durometers (closer to 50D) provide a more comfortable ride, ideal for daily driving, while stiffer options (up to 90D) deliver increased handling performance for spirited driving or track use.

• Made from high-quality rubber material for durability and longevity
• Designed to fit springs with a 5.0" outside diameter
• Adds approximately 1.5" of solid height to your coil spring
• Available in multiple durometers for customized spring rate tuning
• Supports progressive spring characteristics for improved handling and ride comfort
• Sold individually to allow precise tuning and installation flexibility
• Manufactured in the U.S.A. with strict quality standards

Construction & Design

The Eibach Coil Spring Rubber Insert is constructed from premium rubber compounds that resist wear, deformation, and environmental factors. Its simple, compact design ensures an easy installation process, fitting snugly onto your existing coil springs. The rubber's flexibility allows it to compress and expand smoothly, providing a progressive increase in spring rate as the suspension compresses. This design helps absorb shocks and vibrations, contributing to a more comfortable ride while maintaining improved handling characteristics.

Installation & Fitment

Installing the Eibach Spring Rubber Insert is straightforward and requires no special tools or modifications. Simply slide the rubber onto your coil spring before installing the spring onto your suspension assembly. No cutting, drilling, or tuning is necessary, making it an ideal upgrade for enthusiasts and daily drivers alike. Proper installation ensures optimal performance and longevity of the insert.

• Easy bolt-on installation with basic hand tools
• No cutting, drilling, or tuning required
• Compatible with most coil springs with a 5.0" outside diameter

What's Included

• Single coil spring rubber insert (durometer of your choice)

Ideal For

• Performance enthusiasts seeking adjustable spring rates
• Daily drivers looking to improve ride quality and stability
• Track day participants aiming for more predictable handling
• Anyone wanting to customize their suspension setup with simple upgrades