Eibach ERS 4.00-Inch Coil-Over Race Spring, 2.00-Inch ID, 650 lb/in Rate

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.

Brief Description: The Eibach ERS 0400.200.0650 is a high-performance coil-over race spring designed for motorsports and competition suspension applications. As part of Eibach’s renowned ERS line, this spring delivers consistent performance, precise suspension control, and dependable durability for demanding track use.

Eibach manufactures ERS Race Springs in series production using advanced manufacturing processes and extensive spring-development experience. This approach helps provide a highly linear spring rate, tight production tolerances, and reliable performance from one spring to the next. The result is predictable suspension behavior and repeatable handling characteristics for professional and enthusiast racing applications.

The spring features a 4.00-inch free length, a 2.00-inch inside diameter, and a 650 lb/in spring rate. Its coil-over design is suited for compatible adjustable dampers, threaded shock bodies, and race suspension systems. Verify application requirements, installed height, and suspension compatibility before installation. This automotive part carries a California Proposition 65 warning.

What's Included: One Eibach ERS coil-over race spring. Hardware, spring perches, helper springs, and installation accessories are not included unless specified by the application.

Features:

• Race-Proven ERS Design: Eibach’s ERS spring system is engineered for motorsports and high-performance coil-over suspension applications.
• Consistent Spring Rate: Series production helps deliver a highly linear 650 lb/in rate with repeatable suspension performance.
• Precise Manufacturing: Tight production tolerances support predictable handling, vehicle balance, and setup consistency.
• Coil-Over Compatibility: Designed for suspension systems using compatible 2.00-inch inside-diameter race springs and adjustable dampers.

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