Eibach 1400.300.0300S ERS 14"x3.00" 300 lb/in Coil-Over Spring (Universal)

Vehicle Fitment

• Universal coil-over spring - no vehicle-specific application

Fitment Notes

• Eibach ERS race-series coil-over spring with free length 14.00", inner diameter 3.00", and rate 300 lb/in
• Built for coil-over systems or adjustable perch setups using 3.00" ID springs - verify fitment prior to purchase
• Sold individually; not intended for matched axle sets

Features

• Precision-ground spring steel for consistent linear rate
• High-strength Hi-Ten steel construction with silver powder-coat finish
• Individually tested for rate accuracy and quality assurance
• Maximized suspension travel and minimized spring block height
• Reduces unsprung mass for improved control response
• Engineered for off-road, race, and high-performance suspension use
• Manufactured in USA to Eibach quality standards
• Backed by Eibach's lifetime limited warranty

Specifications

• Free Length: 14.00 in (356 mm)
• Inner Diameter: 3.00 in (76 mm)
• Spring Rate: 300 lb/in (~53 N/mm)
• Block Height: ~5.39 in (137 mm); Travel: ~8.61 in (219 mm)
• Load at Block Height: ~2,581 lb (~11,480 N)
• Weight: ~6.77 lb (3.07 kg)
• Finish: Silver powder-coat
• Material: Hi-Ten spring steel
• Warranty: Lifetime limited

Included Components

• 1x Eibach ERS coil-over spring 1400.300.0300S
• Installation instruction sheet

Product Description

The Eibach 1400.300.0300S silver coil-over spring is designed for universal use in adjustable coil-over systems. With a 14" free length and 3.00" inside diameter, it offers a linear rate of 300 lb/in, individually precision-ground and stress-tested for tight manufacturing tolerances.

Constructed from high-quality Hi-Ten steel and finished in durable silver powder-coat, this spring delivers maximum suspension travel while minimizing block height and unsprung mass. It's ideal for racing, off-road, and custom coil-over applications where precise performance tuning is needed.

Made in the USA and backed by Eibach's lifetime limited warranty, the 1400.300.0300S provides proven reliability and consistent performance across demanding applications.