Eibach ERS 11.00 in. x 5.50 in. 900 lb Coilover Race Spring, Part EIB1100.550.0900

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

• Dirt Stock Car Front Springs in 11.5 inches by 5.5 inches
• Maximum Travel in Combination with Smallest Block Heights
• Highest Linearity and Guaranteed Consistency
• Legendary Eibach Durability and Performance
• Each Spring Individually Tested

The Eibach ERS 11.00 in. x 5.50 in. 900 lb Coilover Race Spring is a precision-engineered motorsport spring designed for dirt stock car front suspension applications. Part number EIB1100.550.0900 delivers consistent spring performance for racers and chassis builders who need predictable handling characteristics, accurate tuning, and dependable operation under demanding track conditions.

As part of Eibach’s extensive race spring program, this individual motorsport spring is engineered to provide maximum suspension travel while supporting compact spring block configurations. Its high linearity helps maintain consistent force throughout the working range, allowing suspension adjustments to produce repeatable results. Every spring is individually tested to help ensure dependable quality and uniform performance from one component to the next.

The Eibach ERS spring is built for professional and serious amateur racing applications where durability and precision are essential. Its 900 lb. spring rate is suited to applications requiring firm suspension control, while Eibach’s established manufacturing standards help provide long service life and reliable performance. This spring is intended for compatible coilover and race suspension systems; verify vehicle, chassis, suspension, and spring-rate requirements before installation.

Product Specifications and Technical Data

• Brand: Eibach
• Part Number: EIB1100.550.0900
• Product Type: Individual motorsport coilover spring
• Application: Dirt stock car front suspension
• Spring Rate: 900 lb.
• Nominal Free Length: 11.00 in.
• Nominal Inside Diameter: 5.50 in.
• Construction Benefit: High linearity with individually tested consistency

What’s Included

• One Eibach ERS 900 lb. coilover race spring

Fitment data should be verified against the vehicle and suspension manufacturer’s requirements before purchase. This component is intended for automotive motorsport use and may require professional installation and chassis-specific setup.

Features:

• Dirt Stock Car Front Spring: Designed for compatible dirt stock car front suspension applications.
• Maximum Suspension Travel: Supports maximum travel in combination with compact spring block heights.
• High Linearity: Provides predictable force characteristics for precise chassis tuning.
• Consistent Motorsport Performance: Each spring is individually tested and built with Eibach durability standards.

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