Eibach ERS 18.00-Inch Length x 3.00-Inch ID Coilover Spring, EIB1800.300.0700S

Renowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull-bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car. Individual Motorsport Spring

• Eibach 3.00" Inside Diameter Coilover Springs Available in a Full Range of Rates and Lengths
• Maximum Travel in Combination with Smallest Block Heights
• Legendary Eibach Off-Road Durability and Performance
• Highest Linearity and Guaranteed Consistency
• Each Spring Individually Tested

The Eibach ERS individual motorsport spring is engineered for racers and performance builders who need precise suspension tuning across a broad range of applications. This coilover spring features an 18.00-inch free length, a 3.00-inch inside diameter, and a 700 lb/in spring rate, making it well suited for custom race-car suspension setups where controlled wheel movement and predictable handling are essential.

Built from Eibach’s extensive motorsport spring experience, the EIB1800.300.0700S delivers consistent performance under demanding conditions. Its design helps maximize suspension travel while maintaining a compact block height, giving builders greater flexibility when optimizing shock and spring combinations. Each spring is individually tested to support dependable rate consistency and repeatable setup results at the track.

The Eibach ERS spring is compatible with suitable 3.00-inch inside-diameter coilover hardware and is intended for motorsport and competition applications. It offers the durability, linear response, and tuning flexibility expected from Eibach race springs. Use the spring rate, free length, and vehicle-specific suspension requirements to confirm fitment before installation. This product is sold as one individual spring.

Key Product Specifications & Technical Data

• Brand: Eibach
• Series: ERS motorsport spring
• Part Number: EIB1800.300.0700S
• Spring Type: Individual coilover race spring
• Free Length: 18.00 inches
• Inside Diameter: 3.00 inches
• Spring Rate: 700 lb/in
• Application: Custom racing and motorsport suspension systems

What's Included

• One Eibach ERS coilover spring

Vehicle-specific fitment data was not provided. Confirm compatibility with the intended coilover assembly, spring seats, available travel, and required spring rate before installation.

Features:

• 3.00-Inch Inside Diameter: Designed for compatible coilover spring hardware and custom motorsport suspension applications.
• 18.00-Inch Free Length: Provides suspension builders with flexibility when configuring shock and spring travel.
• 700 lb/in Spring Rate: Supports precise handling and suspension tuning for demanding race setups.
• Consistent Motorsport Performance: Individually tested by Eibach for linear response, dependable durability, and repeatable spring-rate performance.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1