Eibach ERS Platinum Rear Racing Spring, 13 in. Length, 5.00 in. Outside Diameter, 225 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

• The Eibach ER Platinum Springs will Maintain Their Dimensions and Rates to Incredibly Tight Tolerances, Lap after Lap, Race after Race
• Flat-Ground End Configuration with Parallel Tolerance to +/-1 Degree
• More Travel / Deflection than Standard Racing Coil Springs
• Ultra Light-Weight Using High Tensile Steel
• Block Resistant - No Loss in Spring Height!

The Eibach ERS Platinum Rear Racing Spring is a precision-engineered motorsport spring designed for racers who need consistent suspension performance and fine control over vehicle handling. Built with high-tensile steel, this individual Eibach spring helps optimize suspension setup across a wide range of racing applications, including configurations using specialized shocks, pull-bars, and other competition suspension components.

Engineered to maintain its dimensions and spring rate within exceptionally tight tolerances, the Eibach ERS Platinum spring delivers repeatable performance lap after lap and race after race. Its flat-ground end configuration is produced with parallel alignment to within plus or minus 1 degree, supporting reliable seating and consistent load distribution. Compared with standard racing coil springs, the design allows greater travel and deflection while remaining resistant to block setting and loss of spring height.

This Eibach ERS Platinum spring features a 225 lb/in spring rate, a 13-inch free length, and a 5.00-inch outside diameter. It is intended for motorsport suspension applications where precise tuning, low weight, durability, and rate consistency are essential. Verify the required spring rate, installed height, and suspension clearance before installation to ensure proper fitment for your vehicle and racing setup.

Key Product Specifications & Technical Data

• Brand: Eibach
• Part Number: eibPR1300.500.0225
• Product Type: Individual motorsport racing spring
• Series: ERS Platinum
• Spring Rate: 225 lb/in
• Free Length: 13 inches
• Outside Diameter: 5.00 inches
• End Configuration: Flat-ground ends with parallel tolerance to plus or minus 1 degree

What's Included

• One Eibach ERS Platinum rear racing spring

Fitment: Universal motorsport application; vehicle-specific fitment data was not provided. Confirm compatibility with the intended coilover, shock, spring perch, and racing suspension configuration before purchase.

Features:

• Consistent Spring Rate: Maintains dimensions and spring rates within tight tolerances for repeatable handling performance throughout competition use.
• Flat-Ground Ends: Provides a precision end configuration with parallel alignment to within plus or minus 1 degree for dependable spring seating.
• Extended Deflection: Allows more travel and deflection than standard racing coil springs for greater suspension tuning flexibility.
• Lightweight, Durable Construction: Uses high-tensile steel and a block-resistant design to reduce weight while helping prevent loss of spring height.

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