Eibach ERS 10-Inch Coil-Over Race Spring, 3-Inch ID, 125 lb Rate - 1000.300.0125S

Eibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry.

The Eibach ERS 1000.300.0125S is a professional-grade coil-over race spring engineered for demanding motorsports applications. Part of Eibach’s renowned ERS line, this spring combines consistent performance, precise manufacturing, and dependable durability for competition vehicles and performance suspension systems.

Eibach ERS race springs are manufactured in repeated series production using extensive spring-making expertise. This process helps maintain a highly linear spring rate, tight manufacturing tolerances, and reliable performance from one spring to the next. The 125 lb spring rate provides predictable suspension response and allows teams and builders to fine-tune vehicle balance, ride height, and handling characteristics.

Designed for compatible coil-over systems, the Eibach ERS 1000.300.0125S features a 10-inch free length and a 3-inch inside diameter. Its compact race-oriented design makes it suitable for a wide range of motorsports suspension configurations when matched with the correct spring hardware and vehicle requirements. Verify spring dimensions, rate requirements, and coil-over compatibility before installation.

What's Included: One Eibach ERS coil-over race spring. Mounting hardware, spring seats, adjusters, and other suspension components are not included unless specified by the application.

Features:

• Race-Proven ERS Design: Part of Eibach’s comprehensive ERS Race Spring System, developed for demanding motorsports and performance suspension applications.
• Consistent Spring Rate: Series-production manufacturing helps deliver a highly linear 125 lb spring rate with predictable suspension behavior.
• Tight Manufacturing Tolerances: Eibach’s controlled production process supports repeatable performance and reliable spring-to-spring consistency.
• Coil-Over Compatibility: Built for compatible coil-over suspension systems with a 10-inch free length and 3-inch inside diameter.

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
Regular Stock: false