Eibach ERS 12.00-Inch Length x 3.75-Inch ID Coil-Over Spring, 350 lb/in Rate

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 3.75" 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 Motorsport Spring is a precision-engineered coil-over spring designed for racing applications that demand consistent handling, predictable suspension response, and reliable performance. Part number EIB1200.375.0350S features a 3.75-inch inside diameter, a 12.00-inch free length, and a 350 lb/in spring rate, making it suitable for suspension setups requiring accurate spring selection and repeatable tuning.

As part of Eibach’s extensive race spring range, this individual motorsport spring is manufactured to deliver high linearity and consistent performance across demanding track environments. Its design maximizes suspension travel while maintaining a compact block height, helping race teams fine-tune handling dynamics and optimize the balance between grip, control, and ride response. Each spring is individually tested to support dependable performance and quality assurance.

The Eibach ERS spring is built with the durability expected from a leading motorsport suspension manufacturer. Its 3.75-inch inside diameter is compatible with coil-over applications using the corresponding spring hardware, while the 350 lb/in rate allows suspension builders and drivers to tailor vehicle behavior to specific chassis, tire, circuit, and driving requirements. This spring is intended for automotive racing and performance suspension use; confirm application compatibility, available travel, and required spring rate before installation.

What's Included: One Eibach ERS individual motorsport coil-over spring.

Fitment: Universal racing and performance coil-over applications when the spring diameter, length, rate, and suspension hardware are properly matched. Vehicle-specific fitment data was not provided.

Features:

• 3.75-inch inside diameter supports compatible coil-over suspension applications
• 350 lb/in spring rate enables precise suspension tuning for racing setups
• 12.00-inch free length provides a broad range of suspension setup options
• Maximum suspension travel with minimal block height helps optimize handling performance
• Legendary Eibach off-road durability and motorsport reliability
• High linearity and guaranteed consistency for predictable suspension response
• Each spring is individually tested for quality and performance consistency
• Precision-engineered for race cars, performance vehicles, and custom suspension applications

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: false
Units Per Sku: 1