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Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter-Eibach-EIB1600.250.0175S
Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter-Eibach-EIB1600.250.0175S
Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter-Eibach-EIB1600.250.0175S
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Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter

Eibach
EIB1600.250.0175S
803050427342
Coilover Springs
20+ Units In Stock - Ships Next Business Day
$ 100.00 $ 90.00
$ 90.00

SKU: 1600.250.0175S   |   UPC: 803050427342

Universal Fit Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter

Eibach ERS Linear Main Spring delivers a 1600 lb/in constant rate for consistent suspension response in coilover setups. This spring fits 2.5-inch diameter coilover systems used in drag racing, road racing, and track applications across compatible vehicles. Manufactured with tight tolerances, it ensures repeatable performance and durability under high loads.

Key Features

  • 1600 lb/in Linear Rate: Provides steady force for predictable handling and chassis balance in demanding race conditions.
  • 63.5mm (2.50") Diameter: Matches standard coilover struts for direct replacement without modifications.
  • 140.4mm Free Length: Allows full travel range in most coilover assemblies for optimal ride height setup.
  • 140.4mm Block Length: Minimizes bottoming out while maintaining coil bind resistance.
  • Shot-Peened Chrome Silicon Steel: Enhances fatigue resistance and longevity through heat treatment and preset process.

Product Notes

  • Designed for high-performance coilover applications; verify compatibility with your strut diameter and height requirements.
  • Inspect springs regularly for wear in competition use to maintain performance.
  • Ships in protective sleeve to prevent damage during transit.

Installation Notes

  • Professional installation recommended.
  • Match spring with compatible inner sleeve and perches for secure fit.
  • Requires standard coilover hardware; torque to manufacturer specs.

This Part Fits

Year Make Model Submodel
1988-1991 Honda Civic EF Hatchback (Coilover Compatible)
1989-1994 Nissan 240SX S13 (Coilover Compatible)
1990-1997 Mazda MX-5 Miata NA (Coilover Compatible)
1992-1995 Honda Civic EG Hatch/Sedan (Coilover Compatible)
1999-2004 Honda S2000 AP1 (Coilover Compatible)
2006-2015 Mazda MX-5 Miata NC (Coilover Compatible)
Universal - Drag/Road Race 2.5" Coilover Systems

Why Choose Eibach?

  • Decades of series production experience in race springs worldwide.
  • Tightest industry tolerances for consistent spring rates every time.
  • Proven engineering for linear characteristics in repeated high-stress use.

Frequently Asked Questions

  • Q: What coilover systems does this spring fit?
    A: Fits 2.5-inch (63.5mm) diameter coilover struts from brands like BC Racing, Tein, and Fortune Auto on compatible Honda, Nissan, Mazda, and other performance vehicles listed.
  • Q: What material and construction details?
    A: High-tensile chrome silicon steel, shot-peened, heat-treated, nitrogen-infused, and pre-set for maximum cycles and resistance to sagging.
  • Q: What is the warranty and installation info?
    A: Eibach offers a limited warranty against manufacturing defects; professional installation advised to ensure proper seating and preload.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective plastic sleeve in 6" x 4" x 4" box
  • Weight: 3.1 lbs (product), 3.55 lbs (shipping)

Request For Information

Have questions about Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter? Fill out the form below and we'll get back to you by the next business day.
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