Eibach ERS Platinum Rear Racing Spring, 13 in. Length, 5.00 in. Outer Diameter, 150 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 to help racing teams fine-tune suspension handling and performance. Part number eibPR1300.500.0150 features Eibach’s Platinum spring technology, developed for consistent performance across demanding racing applications. Its controlled spring rate and race-focused construction support predictable vehicle dynamics during repeated high-load use.

This individual racing spring uses high-tensile steel to reduce weight while maintaining strength and durability. The flat-ground end configuration is manufactured with tight parallel tolerances to promote consistent seating and reliable suspension operation. The spring is also designed to provide greater travel and deflection than standard racing coil springs, helping optimize suspension response for a wide range of track conditions and setup requirements.

The Eibach ERS Platinum spring is block resistant, helping prevent loss of spring height during service. Its ability to maintain dimensional accuracy and spring rate from lap to lap makes it suitable for professional and enthusiast motorsport applications where repeatable setup performance is essential. This rear spring is intended for custom suspension tuning and should be selected based on the vehicle, damper, suspension geometry, and overall race setup.

Brief Description: Precision Eibach ERS Platinum rear racing spring for customizable suspension tuning and consistent motorsport performance.

• Feature: Consistent spring performance designed to maintain dimensions and rates within tight tolerances during repeated racing use.
• Feature: Flat-ground ends with controlled parallel alignment for dependable spring seating.
• Feature: High-tensile steel construction delivers low weight with race-ready durability.
• Feature: Block-resistant design helps preserve spring height and usable performance over time.

Key Product Specifications & Technical Data:

• Brand: Eibach
• Series: ERS Platinum
• Part Number: eibPR1300.500.0150
• Application: Rear motorsport suspension
• Spring Length: 13 inches
• Outside Diameter: 5.00 inches
• Spring Rate: 150 pounds per inch
• End Configuration: Flat-ground ends

What’s Included: One Eibach ERS Platinum rear racing spring.

Fitment: Universal motorsport component. Vehicle-specific fitment is not provided; confirm spring dimensions, rate, suspension compatibility, and race-series requirements before installation.

Features:

• Consistent spring dimensions and rates for repeatable performance during demanding racing use.
• Flat-ground end configuration supports reliable seating and controlled suspension operation.
• High-tensile steel construction combines reduced weight with durable motorsport performance.
• Block-resistant design helps prevent spring-height loss over extended service.

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