Eibach ERS eibER115.0900 Platinum Rear Coilover Spring

Eibach ERS 11.50 in. Length x 5.00 in. OD Platinum Rear Spring

The Eibach ERS eibER115.0900 Platinum Rear Spring is designed for automotive suspension applications that demand consistent performance, reliable support, and precise spring response. This ERS series spring features an 11.50-inch free length, a 5.00-inch outside diameter, and a 900 lb/in spring rate for controlled suspension movement and predictable handling.

Manufactured by Eibach, the Platinum finish provides a durable surface designed to withstand the demanding conditions commonly encountered in motorsports and performance-driving environments. The spring’s linear-rate design helps deliver consistent force throughout its operating range, supporting improved chassis balance, ride control, and suspension tuning.

The Eibach ERS eibER115.0900 is intended for use with compatible coilover and racing suspension systems. Verify spring dimensions, rate requirements, and vehicle or damper compatibility before installation. Professional installation and proper suspension setup are recommended to achieve the intended performance benefits.

Product Specifications & Technical Data

• Brand: Eibach
• Part Number: eibER115.0900
• Product Series: ERS Platinum
• Application: Automotive rear suspension
• Spring Type: Linear-rate coilover spring
• Free Length: 11.50 inches
• Outside Diameter: 5.00 inches
• Spring Rate: 900 lb/in

What's Included

One Eibach ERS Platinum rear coilover spring. Installation hardware, isolators, seats, and other suspension components are not included unless specified by the vehicle or suspension-system manufacturer.

Features:

• Consistent Spring Response: The linear-rate design provides predictable force throughout suspension travel for dependable handling and tuning.
• High Spring Rate: The 900 lb/in rate supports controlled suspension movement for performance-oriented automotive applications.
• Platinum Finish: Eibach’s durable Platinum finish helps protect the spring surface in demanding driving environments.
• Coilover Compatibility: Designed for use with compatible 5.00-inch inside-diameter coilover and racing suspension systems.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false