Eibach ERS 12.00-Inch Coilover Spring, 3.75-Inch Inside Diameter, 450 lb/in Rate – Part EIB1200.375.0450S

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 12.00-Inch Coilover Spring is an individual motorsport spring engineered for precision suspension tuning in racing and high-performance automotive applications. With a 3.75-inch inside diameter and a 450 lb/in spring rate, part EIB1200.375.0450S provides a reliable foundation for optimizing handling balance, suspension response, and vehicle control.

Designed to deliver maximum suspension travel with minimal block height, this Eibach race spring supports accurate setup changes across a wide range of racing configurations. Its linear performance and consistent behavior help drivers and suspension technicians fine-tune chassis dynamics with confidence. The spring is manufactured for demanding motorsport environments and reflects Eibach’s established focus on durability, repeatable performance, and precision engineering.

Product specifications and technical data

• Brand: Eibach
• Part Number: EIB1200.375.0450S
• Product Type: Individual motorsport coilover spring
• Spring Family: ERS race spring
• Free Length: 12.00 inches
• Inside Diameter: 3.75 inches
• Spring Rate: 450 lb/in
• Application: Racing and performance suspension systems

What’s included: One Eibach ERS individual coilover spring. Verify spring length, inside diameter, rate, and suspension compatibility before installation. Vehicle-specific fitment is not provided; professional suspension setup is recommended for motorsport applications.

Features:

• 3.75-Inch Inside Diameter: Designed for compatible coilover suspension systems and available in a broad range of rates and lengths for precise setup tuning.
• Maximum Suspension Travel: Provides substantial usable travel while maintaining a compact block height for demanding race applications.
• Off-Road Durability: Built to deliver dependable performance in harsh racing and performance-driving environments.
• Consistent Linear Performance: Individually tested to support predictable spring behavior, repeatable handling, and accurate chassis tuning.

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