Eibach ERS 4.00 in. Length x 2.25 in. ID Coil-Over Spring, 1,200 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.

The Eibach ERS Coil-Over Spring is a precision-engineered racing spring designed for demanding motorsports and performance suspension applications. Part number EIB0400.225.1200 combines a 4.00-inch free length, 2.25-inch inside diameter, and 1,200 lb/in spring rate for applications requiring firm, consistent suspension control.

Eibach ERS springs are manufactured in repeatable series production using extensive spring-making expertise. This process helps deliver a highly linear spring characteristic, tight tolerances, and dependable performance across repeated use. The result is a race-ready coil-over spring that supports predictable handling, precise vehicle response, and consistent suspension behavior.

Brief Description: A high-rate Eibach ERS racing coil-over spring for compatible 2.25-inch ID suspension systems and performance applications.

Key Product Specifications & Technical Data:
Brand: Eibach
Product Line: ERS
Part Number: EIB0400.225.1200
Application Type: Automotive racing and performance suspension
Spring Style: Coil-over spring
Free Length: 4.00 inches
Inside Diameter: 2.25 inches
Spring Rate: 1,200 lb/in

What's Included: One Eibach ERS coil-over spring. Verify spring dimensions, rate, and suspension compatibility before installation. Vehicle-specific fitment information was not provided and should be confirmed with the suspension manufacturer or installer.

Features:

• Race-Developed Performance: Eibach ERS springs are designed for motorsports and demanding performance suspension applications.
• Consistent Spring Rate: Series-production manufacturing supports repeatable, predictable spring characteristics.
• Linear Suspension Response: The spring design helps provide controlled and consistent handling behavior throughout suspension travel.
• Precision Manufacturing: Tight production tolerances and Eibach engineering support dependable fitment and performance when matched to a compatible coil-over system.

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