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Eibach ERS 18x3.00 Coilover Spring

Eibach
1800.300.0350S
EIB1800.300.0350S
In stock
Coilover Springs
$130.00 $117.00
Eibach ERS Coilover Spring – 18.00” Length | 3.00” ID | 7.69” Block Height Precision, Performance,...
$117.00

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Eibach ERS 18x3.00 Coilover Spring
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Eibach ERS 18x3.00 Coilover Spring | 7.69" Block Height | Race Spec
Eibach ERS 18x3.00 Coilover Spring | 7.69" Block Height | Race Spec
Regular price
$130.00
Sale price
$117.00/ea
$0.00
Regular price
$130.00
Sale price
$117.00/ea
$0.00

Eibach ERS Coilover Spring – 18.00” Length | 3.00” ID | 7.69” Block Height

Precision, Performance, and Proven Race Engineering

The Eibach ERS (Eibach Race Spring) series is the top choice for professional race teams, grassroots competitors, and suspension tuners who demand consistent, predictable performance. This particular spring features an 18.00” free length, 3.00” inner diameter, and a 7.69” block height — ideal for long-travel suspension setups or custom coilover builds.

With Eibach’s commitment to precise engineering, this ERS spring offers industry-leading linear rate control, ultra-low manufacturing tolerances, and excellent fatigue resistance — no compromises, no inconsistencies.

 Race-Proven Benefits:

  • ✅ 18.00" free length – ideal for custom long-travel applications
  • ✅ 3.00" inner diameter – fits standard coilover hardware
  • ✅ 7.69" block height – excellent under compression loads
  • ✅ Consistent linear rate across full compression range
  • ✅ Precision-ground ends for perfect seating and spring stackability
  • ✅ Premium spring steel construction – USA-made quality

Why Choose Eibach ERS Race Springs?

Eibach’s ERS line is manufactured to the tightest tolerances in motorsports. With a reputation built on reliability and championship-level results, these springs are used in:

  • 🏎️ Track racing
  • 🏁 Time attack & autocross
  • 🏔️ Off-road competition & rally
  • 🛠️ Custom suspension engineering

Every spring is cold-wound, heat-treated, shot-peened, and tested for quality — ensuring consistent performance lap after lap.

Who Should Use This Coilover Spring?

  • ✔️ Race car builders fine-tuning suspension travel and control
  • ✔️ Enthusiasts needing custom spring lengths and rates
  • ✔️ Professionals demanding precise, repeatable damping response

 Technical Specifications:

  • Brand: Eibach
  • Series: ERS – Eibach Race Spring
  • Free Length: 18.00 inches
  • Inner Diameter (ID): 3.00 inches
  • Block Height: 7.69 inches
  • Spring Type: Linear rate, precision-wound
  • Made in USA

 Installation Tips:

  1. Confirm coilover compatibility with 3.00” ID springs
  2. Use with adjustable spring perches or helper springs if needed
  3. Always match rate and travel to damper specs

 Frequently Asked Questions

Is this spring compatible with off-the-shelf coilovers?

Yes — as long as your coilovers support a 3.00" ID spring, this will fit perfectly.

What is the spring rate?

This listing is for spring dimensions only. Eibach ERS springs come in a range of spring rates. Check the rate stamped on the spring or contact us for confirmation.

Can I stack this with other ERS springs?

Absolutely. These springs are designed with precision-ground ends for safe and stable stacking in multi-rate configurations.

When it comes to suspension performance, there’s no room for guesswork. Trust Eibach ERS for proven, precision coilover performance — order yours today.

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