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Eibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring-Eibach-EIB1800.300.0550S
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Eibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring

Eibach
EIB1800.300.0550S
803050288363
Coilover Springs
20+ Units In Stock - Ships Next Business Day
$ 135.56 $ 122.00
$ 122.00

SKU: 1800.300.0550S   |   UPC: 803050288363

Eibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring - 550 lbs/in Rate

Eibach ERS coil-over springs deliver precision-engineered performance for off-road racing and custom coilover setups on trucks, SUVs, UTVs and race vehicles. This 3.00 in. ID, 18.00 in. length spring with 550 lbs/in rate ensures linear response, maximum travel and durability under extreme conditions. Built from high-tensile steel with silver finish for corrosion resistance in harsh environments.

Key Features

  • Full Range Availability: 3.00" ID springs in varied rates and lengths for custom off-road coilover builds.
  • Extended Travel: 9.50 in. travel with 8.50 in. block height allows full suspension articulation on rough terrain.
  • Off-Road Durability: Proven construction handles high loads up to 5231 lbs block load without fatigue.
  • Individual Testing: Each spring load-tested for rate consistency and quality before shipping.
  • Linear Characteristics: Tight tolerances deliver predictable handling and repeated performance.

Product Notes

  • Spring rate 550 lbs/in (9.84 kg/mm); imperial and metric specs verified for global use.
  • Silver powder-coated finish resists rust; store in dry conditions.
  • Weight 14.33 lbs (6.50 kg); compact design ships efficiently.

Installation Notes

  • Professional installation recommended.
  • Pair with compatible 3.00" ID coilover shocks like Fox or King for off-road setups.
  • Inspect shock body diameter and thread; use retaining clips or collars for secure mounting.

This Part Fits

Year Make Model Submodel
Universal All Off-Road Trucks/UTVs/Race Vehicles Custom Coilover Builds
1976-2024 Ford Bronco All (w/ 3" ID Shocks)
1984-2024 Jeep Wrangler All (w/ 3" ID Shocks)
2007-2024 Toyota Tundra/4Runner All (w/ 3" ID Shocks)

Why Choose Eibach?

  • World-leading race spring manufacturer with decades of series production expertise.
  • All springs produced with lowest industry tolerances for consistent rates.
  • Engineered for off-road demands with highest quality materials and testing.

Frequently Asked Questions

  • Q: Does this fit specific off-road vehicles?
    A: Universal 3.00" ID design fits most custom coilover shocks on trucks, Jeeps, Broncos and UTVs; verify shock compatibility.
  • Q: What material and finish?
    A: High-tensile chrome silicon steel with silver powder coat for strength and rust protection in wet, muddy conditions.
  • Q: What warranty covers this spring?
    A: Eibach offers limited lifetime warranty against sagging or manufacturing defects when installed properly.

Shipping & Handling

  • Method: UPS Ground / FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard tube, 20" x 4" x 4" box
  • Weight: 14.33 lbs

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