Eibach ERS 14.00-Inch Linear Main Spring, 3.75-Inch Inside Diameter – EIB1400.375.0650S

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 EIB1400.375.0650S is an individual motorsport coilover spring designed for racing applications that demand precise suspension tuning, dependable performance, and consistent spring behavior. With a 14.00-inch free length and 3.75-inch inside diameter, this linear main spring is engineered to provide predictable support throughout its operating range.

Eibach is known for its extensive catalog of precision-engineered race springs, offering solutions for a wide variety of motorsport setups. The ERS spring line helps drivers and suspension specialists fine-tune handling dynamics by matching spring characteristics to the vehicle, shock absorber, and track conditions. Its design delivers maximum usable travel while maintaining a compact block height, supporting efficient suspension packaging and performance-focused setup changes.

• Brief Description: Individual Eibach ERS linear main spring for 3.75-inch inside-diameter coilover applications.
• Key Product Specifications & Technical Data: Brand: Eibach
• Key Product Specifications & Technical Data: Part Number: EIB1400.375.0650S
• Key Product Specifications & Technical Data: Product Type: Motorsport coilover main spring
• Key Product Specifications & Technical Data: Spring Style: Linear-rate spring
• Key Product Specifications & Technical Data: Free Length: 14.00 inches
• Key Product Specifications & Technical Data: Inside Diameter: 3.75 inches
• Key Product Specifications & Technical Data: Application: Racing and performance suspension systems
• Key Product Specifications & Technical Data: Quantity: One spring

What's Included: One Eibach ERS individual linear main spring. Verify spring rate, installed height, shock compatibility, and suspension requirements before installation. Fitment data should be confirmed against the specific vehicle and coilover system because motorsport springs are selected according to the complete suspension setup rather than conventional vehicle year, make, and model fitment.

Important Notice: This product is intended for automotive motorsport and performance applications. Eibach individually tests its springs to support high consistency and dependable performance. Professional installation and suspension setup are recommended.

Features:

• Eibach 3.75-inch inside-diameter coilover spring designed for motorsport applications
• 14.00-inch free length supports a broad range of race suspension configurations
• Linear spring rate delivers predictable and consistent suspension response
• Maximizes suspension travel while maintaining a compact block height
• Legendary Eibach off-road durability and performance
• High linearity and guaranteed consistency for precise suspension tuning
• Each spring is individually tested for dependable quality
• Designed for racing setups requiring controlled handling and performance optimization

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
Clearance Item: t
Regular Stock: false
Units Per Sku: 1