Eibach 1800.375.0600S 18" x 3.75" Off-Road Coil-Over Spring 600 lbs

Vehicle Fitment

• Universal coil-over spring - fits compatible coil-over shock assemblies with a 3.75" inside diameter spring seat

Features

• Eibach Race Off-Road (ERS) coil-over spring for extreme performance and heavy-load suspension setups
• 18.00" free length suitable for long-travel and high-load applications
• 600 lbs/in spring rate for very firm, controlled performance
• 3.75" inside diameter compatible with most off-road and race coil-over shocks
• Silver powder-coated finish for corrosion resistance and durability
• High-tensile spring steel construction ensures consistent linear force
• Individually tested for accurate spring rate and linearity
• Ideal for desert racing, off-road trucks, and custom high-load coil-over builds

Specifications

• Part Number: 1800.375.0600S
• Product Type: Single coil-over spring (sold individually)
• Free Length: 18.00" / 457 mm
• Inside Diameter: 3.75" / 95.3 mm
• Spring Rate: 600 lbs/in
• Block Height: ~9.85" / 250 mm
• Travel: ~8.00" / 203 mm
• Material: High-tensile spring steel
• Finish: Silver powder coat

Included Components

• 1x Eibach ERS 600 lbs/in coil-over spring

Product Description

The Eibach 1800.375.0600S coil-over spring is engineered for extreme off-road and high-load suspension applications. With a 600 lbs/in spring rate, 18" free length, and 3.75" inside diameter, it delivers very firm, linear force for long-travel coil-over setups.

Sold individually, this spring allows builders and off-road enthusiasts to select the precise spring rate for their coil-over shocks. Ideal for desert racing, off-road trucks, and custom high-load coil-over assemblies, it provides superior control of ride height, articulation, and handling under demanding conditions. Confirm your coil-over shock accepts a 3.75" ID spring of this length and rate before installation.